src/chrome/browser/chrome_content_browser_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_content_browser_client.h"
   6
   7 #include <set>
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "base/bind.h"
  12 #include "base/command_line.h"
  13 #include "base/lazy_instance.h"
  14 #include "base/path_service.h"
  15 #include "base/prefs/pref_service.h"
  16 #include "base/prefs/scoped_user_pref_update.h"
  17 #include "base/strings/string_number_conversions.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "base/threading/sequenced_worker_pool.h"
  20 #include "chrome/browser/browser_about_handler.h"
  21 #include "chrome/browser/browser_process.h"
  22 #include "chrome/browser/browser_shutdown.h"
  23 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  24 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  25 #include "chrome/browser/character_encoding.h"
  26 #include "chrome/browser/chrome_content_browser_client_parts.h"
  27 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  28 #include "chrome/browser/chrome_quota_permission_context.h"
  29 #include "chrome/browser/content_settings/content_settings_utils.h"
  30 #include "chrome/browser/content_settings/cookie_settings.h"
  31 #include "chrome/browser/content_settings/host_content_settings_map.h"
  32 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  33 #include "chrome/browser/defaults.h"
  34 #include "chrome/browser/download/download_prefs.h"
  35 #include "chrome/browser/font_family_cache.h"
  36 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  37 #include "chrome/browser/geolocation/geolocation_permission_context.h"
  38 #include "chrome/browser/geolocation/geolocation_permission_context_factory.h"
  39 #include "chrome/browser/media/cast_transport_host_filter.h"
  40 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  41 #include "chrome/browser/media/midi_permission_context.h"
  42 #include "chrome/browser/media/midi_permission_context_factory.h"
  43 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  44 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  45 #include "chrome/browser/net/chrome_net_log.h"
  46 #include "chrome/browser/notifications/desktop_notification_service.h"
  47 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  48 #include "chrome/browser/platform_util.h"
  49 #include "chrome/browser/plugins/plugin_info_message_filter.h"
  50 #include "chrome/browser/prerender/prerender_final_status.h"
  51 #include "chrome/browser/prerender/prerender_manager.h"
  52 #include "chrome/browser/prerender/prerender_manager_factory.h"
  53 #include "chrome/browser/prerender/prerender_message_filter.h"
  54 #include "chrome/browser/prerender/prerender_tracker.h"
  55 #include "chrome/browser/printing/printing_message_filter.h"
  56 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  57 #include "chrome/browser/profiles/profile.h"
  58 #include "chrome/browser/profiles/profile_io_data.h"
  59 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  60 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  61 #include "chrome/browser/search/instant_service.h"
  62 #include "chrome/browser/search/instant_service_factory.h"
  63 #include "chrome/browser/search/search.h"
  64 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  65 #include "chrome/browser/signin/principals_message_filter.h"
  66 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  67 #include "chrome/browser/speech/tts_controller.h"
  68 #include "chrome/browser/speech/tts_message_filter.h"
  69 #include "chrome/browser/ssl/ssl_add_certificate.h"
  70 #include "chrome/browser/ssl/ssl_blocking_page.h"
  71 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  72 #include "chrome/browser/tab_contents/tab_util.h"
  73 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  74 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  75 #include "chrome/browser/ui/chrome_select_file_policy.h"
  76 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  77 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  78 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  79 #include "chrome/common/chrome_constants.h"
  80 #include "chrome/common/chrome_paths.h"
  81 #include "chrome/common/chrome_switches.h"
  82 #include "chrome/common/env_vars.h"
  83 #include "chrome/common/logging_chrome.h"
  84 #include "chrome/common/pepper_permission_util.h"
  85 #include "chrome/common/pref_names.h"
  86 #include "chrome/common/render_messages.h"
  87 #include "chrome/common/url_constants.h"
  88 #include "chrome/grit/generated_resources.h"
  89 #include "chrome/installer/util/google_update_settings.h"
  90 #include "chromeos/chromeos_constants.h"
  91 #include "components/cdm/browser/cdm_message_filter_android.h"
  92 #include "components/cloud_devices/common/cloud_devices_switches.h"
  93 #include "components/content_settings/core/browser/content_settings_provider.h"
  94 #include "components/content_settings/core/common/content_settings.h"
  95 #include "components/content_settings/core/common/permission_request_id.h"
  96 #include "components/dom_distiller/core/url_constants.h"
  97 #include "components/google/core/browser/google_util.h"
  98 #include "components/metrics/client_info.h"
  99 #include "components/pref_registry/pref_registry_syncable.h"
 100 #include "components/signin/core/common/profile_management_switches.h"
 101 #include "components/translate/core/common/translate_switches.h"
 102 #include "content/public/browser/browser_child_process_host.h"
 103 #include "content/public/browser/browser_main_parts.h"
 104 #include "content/public/browser/browser_ppapi_host.h"
 105 #include "content/public/browser/browser_thread.h"
 106 #include "content/public/browser/browser_url_handler.h"
 107 #include "content/public/browser/child_process_data.h"
 108 #include "content/public/browser/child_process_security_policy.h"
 109 #include "content/public/browser/desktop_notification_delegate.h"
 110 #include "content/public/browser/render_frame_host.h"
 111 #include "content/public/browser/render_process_host.h"
 112 #include "content/public/browser/render_view_host.h"
 113 #include "content/public/browser/resource_context.h"
 114 #include "content/public/browser/site_instance.h"
 115 #include "content/public/browser/web_contents.h"
 116 #include "content/public/common/child_process_host.h"
 117 #include "content/public/common/content_descriptors.h"
 118 #include "content/public/common/show_desktop_notification_params.h"
 119 #include "content/public/common/url_utils.h"
 120 #include "content/public/common/web_preferences.h"
 121 #include "net/base/mime_util.h"
 122 #include "net/cookies/canonical_cookie.h"
 123 #include "net/cookies/cookie_options.h"
 124 #include "net/ssl/ssl_cert_request_info.h"
 125 #include "ppapi/host/ppapi_host.h"
 126 #include "ppapi/shared_impl/ppapi_switches.h"
 127 #include "storage/browser/fileapi/external_mount_points.h"
 128 #include "ui/base/l10n/l10n_util.h"
 129 #include "ui/base/resource/resource_bundle.h"
 130 #include "ui/resources/grit/ui_resources.h"
 131
 132 #if defined(OS_WIN)
 133 #include "base/win/windows_version.h"
 134 #include "chrome/browser/chrome_browser_main_win.h"
 135 #include "sandbox/win/src/sandbox_policy.h"
 136 #elif defined(OS_MACOSX)
 137 #include "chrome/browser/chrome_browser_main_mac.h"
 138 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 139 #include "components/crash/app/breakpad_mac.h"
 140 #elif defined(OS_CHROMEOS)
 141 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 142 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 143 #include "chrome/browser/chromeos/file_manager/app_id.h"
 144 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 145 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 146 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 147 #include "chrome/browser/chromeos/login/startup_utils.h"
 148 #include "chrome/browser/chromeos/system/input_device_settings.h"
 149 #include "chromeos/chromeos_switches.h"
 150 #include "components/user_manager/user_manager.h"
 151 #elif defined(OS_LINUX)
 152 #include "chrome/browser/chrome_browser_main_linux.h"
 153 #elif defined(OS_ANDROID)
 154 #include "chrome/browser/android/new_tab_page_url_handler.h"
 155 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 156 #include "chrome/browser/chrome_browser_main_android.h"
 157 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 158 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 159 #include "chrome/common/descriptors_android.h"
 160 #include "components/crash/browser/crash_dump_manager_android.h"
 161 #elif defined(OS_POSIX)
 162 #include "chrome/browser/chrome_browser_main_posix.h"
 163 #endif
 164
 165 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 166 #include "base/debug/leak_annotations.h"
 167 #include "components/crash/app/breakpad_linux.h"
 168 #include "components/crash/browser/crash_handler_host_linux.h"
 169 #endif
 170
 171 #if defined(OS_ANDROID)
 172 #include "ui/base/ui_base_paths.h"
 173 #include "ui/gfx/android/device_display_info.h"
 174 #endif
 175
 176 #if defined(OS_ANDROID)
 177 #include "chrome/browser/android/dev_tools_manager_delegate_android.h"
 178 #else
 179 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 180 #endif
 181
 182 #if !defined(OS_CHROMEOS)
 183 #include "chrome/browser/signin/chrome_signin_client.h"
 184 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 185 #include "chrome/browser/signin/signin_manager_factory.h"
 186 #include "components/signin/core/browser/signin_manager.h"
 187 #endif
 188
 189 #if defined(TOOLKIT_VIEWS)
 190 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 191 #endif
 192
 193 #if defined(USE_ATHENA)
 194 #include "athena/content/public/web_contents_view_delegate_creator.h"
 195 #include "chrome/browser/ui/views/athena/chrome_browser_main_extra_parts_athena.h"
 196 #elif defined(USE_ASH)
 197 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 198 #endif
 199
 200 #if defined(USE_AURA)
 201 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 202 #endif
 203
 204 #if defined(USE_X11)
 205 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 206 #endif
 207
 208 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 209 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 210 #endif
 211
 212 #if !defined(DISABLE_NACL)
 213 #include "components/nacl/browser/nacl_browser.h"
 214 #include "components/nacl/browser/nacl_host_message_filter.h"
 215 #include "components/nacl/browser/nacl_process_host.h"
 216 #include "components/nacl/common/nacl_process_type.h"
 217 #include "components/nacl/common/nacl_switches.h"
 218 #endif
 219
 220 #if defined(ENABLE_EXTENSIONS)
 221 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 222 #include "chrome/browser/extensions/extension_service.h"
 223 #include "chrome/browser/extensions/extension_util.h"
 224 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 225 #include "extensions/browser/extension_system.h"
 226 #include "extensions/browser/guest_view/guest_view_base.h"
 227 #include "extensions/browser/guest_view/guest_view_manager.h"
 228 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 229 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 230 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 231 #include "extensions/browser/suggest_permission_util.h"
 232 #include "extensions/common/constants.h"
 233 #include "extensions/common/extension.h"
 234 #include "extensions/common/extension_set.h"
 235 #include "extensions/common/manifest_handlers/background_info.h"
 236 #include "extensions/common/manifest_handlers/shared_module_info.h"
 237 #include "extensions/common/permissions/permissions_data.h"
 238 #include "extensions/common/permissions/socket_permission.h"
 239 #include "extensions/common/switches.h"
 240 #endif
 241
 242 #if defined(ENABLE_SPELLCHECK)
 243 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 244 #endif
 245
 246 #if defined(ENABLE_WEBRTC)
 247 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 248 #endif
 249
 250 using base::FileDescriptor;
 251 using blink::WebWindowFeatures;
 252 using content::AccessTokenStore;
 253 using content::BrowserThread;
 254 using content::BrowserURLHandler;
 255 using content::ChildProcessSecurityPolicy;
 256 using content::QuotaPermissionContext;
 257 using content::RenderFrameHost;
 258 using content::RenderViewHost;
 259 using content::ResourceType;
 260 using content::SiteInstance;
 261 using content::WebContents;
 262 using content::WebPreferences;
 263 using message_center::NotifierId;
 264
 265 #if defined(OS_POSIX)
 266 using content::FileDescriptorInfo;
 267 #endif
 268
 269 #if defined(ENABLE_EXTENSIONS)
 270 using extensions::APIPermission;
 271 using extensions::ChromeContentBrowserClientExtensionsPart;
 272 using extensions::Extension;
 273 using extensions::InfoMap;
 274 using extensions::Manifest;
 275 #endif
 276
 277 namespace {
 278
 279 // Cached version of the locale so we can return the locale on the I/O
 280 // thread.
 281 base::LazyInstance<std::string> g_io_thread_application_locale;
 282
 283 #if defined(ENABLE_PLUGINS)
 284 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 285 // that blanket permission isn't granted to all dev channel APIs for these.
 286 // http://crbug.com/386743
 287 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 288   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 289   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 290 };
 291
 292 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 293   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 294   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 295 };
 296
 297 const char* const kPredefinedAllowedSocketOrigins[] = {
 298   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 299   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 300   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 301   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 302   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 303   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 304   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 305   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 306   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 307   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 308   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 309   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 310   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 311   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 312   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 313   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 314   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 315   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 316   "4EB74897CB187C7633357C2FE832E0AD6A44883A",  // see crbug.com/234789
 317   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 318   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 319   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 320 };
 321 #endif
 322
 323 // Returns a copy of the given url with its host set to given host and path set
 324 // to given path. Other parts of the url will be the same.
 325 GURL ReplaceURLHostAndPath(const GURL& url,
 326                            const std::string& host,
 327                            const std::string& path) {
 328   url::Replacements<char> replacements;
 329   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 330   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 331   return url.ReplaceComponents(replacements);
 332 }
 333
 334 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 335 GURL AddUberHost(const GURL& url) {
 336   const std::string uber_host = chrome::kChromeUIUberHost;
 337   const std::string new_path = url.host() + url.path();
 338
 339   return ReplaceURLHostAndPath(url, uber_host, new_path);
 340 }
 341
 342 // If url->host() is "chrome" and url->path() has characters other than the
 343 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 344 // returns true. Otherwise returns false.
 345 bool RemoveUberHost(GURL* url) {
 346   if (url->host() != chrome::kChromeUIUberHost)
 347     return false;
 348
 349   if (url->path().empty() || url->path() == "/")
 350     return false;
 351
 352   const std::string old_path = url->path();
 353
 354   const std::string::size_type separator = old_path.find('/', 1);
 355   std::string new_host;
 356   std::string new_path;
 357   if (separator == std::string::npos) {
 358     new_host = old_path.substr(1);
 359   } else {
 360     new_host = old_path.substr(1, separator - 1);
 361     new_path = old_path.substr(separator);
 362   }
 363
 364   // Do not allow URLs with paths empty before the first slash since we can't
 365   // have an empty host. (e.g "foo://chrome//")
 366   if (new_host.empty())
 367     return false;
 368
 369   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 370
 371   DCHECK(url->is_valid());
 372
 373   return true;
 374 }
 375
 376 // Handles rewriting Web UI URLs.
 377 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 378   // Do not handle special URLs such as "about:foo"
 379   if (!url->host().empty()) {
 380     const GURL chrome_url = AddUberHost(*url);
 381
 382     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 383     // be called.
 384     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 385             browser_context, chrome_url))
 386       return true;
 387   }
 388
 389   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 390           browser_context, *url))
 391     return false;
 392
 393 #if defined(OS_CHROMEOS)
 394   // Special case : in ChromeOS in Guest mode bookmarks and history are
 395   // disabled for security reasons. New tab page explains the reasons, so
 396   // we redirect user to new tab page.
 397   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 398     if (url->SchemeIs(content::kChromeUIScheme) &&
 399         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 400          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 401       // Rewrite with new tab URL
 402       *url = GURL(chrome::kChromeUINewTabURL);
 403     }
 404   }
 405 #endif
 406
 407   return true;
 408 }
 409
 410 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 411 // "chrome://foo/".
 412 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 413   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 414     return false;
 415
 416   return RemoveUberHost(url);
 417 }
 418
 419 bool CertMatchesFilter(const net::X509Certificate& cert,
 420                        const base::DictionaryValue& filter) {
 421   // TODO(markusheintz): This is the minimal required filter implementation.
 422   // Implement a better matcher.
 423
 424   // An empty filter matches any client certificate since no requirements are
 425   // specified at all.
 426   if (filter.empty())
 427     return true;
 428
 429   std::string common_name;
 430   if (filter.GetString("ISSUER.CN", &common_name) &&
 431       (cert.issuer().common_name == common_name)) {
 432     return true;
 433   }
 434   return false;
 435 }
 436
 437 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 438 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 439     const std::string& process_type) {
 440   base::FilePath dumps_path;
 441   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 442   {
 443     ANNOTATE_SCOPED_MEMORY_LEAK;
 444     bool upload = (getenv(env_vars::kHeadless) == NULL);
 445     breakpad::CrashHandlerHostLinux* crash_handler =
 446         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 447     crash_handler->StartUploaderThread();
 448     return crash_handler;
 449   }
 450 }
 451
 452 int GetCrashSignalFD(const CommandLine& command_line) {
 453   // Extensions have the same process type as renderers.
 454   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 455     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 456     if (!crash_handler)
 457       crash_handler = CreateCrashHandlerHost("extension");
 458     return crash_handler->GetDeathSignalSocket();
 459   }
 460
 461   std::string process_type =
 462       command_line.GetSwitchValueASCII(switches::kProcessType);
 463
 464   if (process_type == switches::kRendererProcess) {
 465     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 466     if (!crash_handler)
 467       crash_handler = CreateCrashHandlerHost(process_type);
 468     return crash_handler->GetDeathSignalSocket();
 469   }
 470
 471   if (process_type == switches::kPluginProcess) {
 472     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 473     if (!crash_handler)
 474       crash_handler = CreateCrashHandlerHost(process_type);
 475     return crash_handler->GetDeathSignalSocket();
 476   }
 477
 478   if (process_type == switches::kPpapiPluginProcess) {
 479     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 480     if (!crash_handler)
 481       crash_handler = CreateCrashHandlerHost(process_type);
 482     return crash_handler->GetDeathSignalSocket();
 483   }
 484
 485   if (process_type == switches::kGpuProcess) {
 486     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 487     if (!crash_handler)
 488       crash_handler = CreateCrashHandlerHost(process_type);
 489     return crash_handler->GetDeathSignalSocket();
 490   }
 491
 492   return -1;
 493 }
 494 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 495
 496 #if !defined(OS_CHROMEOS)
 497 GURL GetEffectiveURLForSignin(const GURL& url) {
 498   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 499
 500   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 501   // Copy the path because the argument to SetPathStr must outlive
 502   // the Replacements object.
 503   const std::string path_copy(url.path());
 504   GURL::Replacements replacements;
 505   replacements.SetPathStr(path_copy);
 506   effective_url = effective_url.ReplaceComponents(replacements);
 507   return effective_url;
 508 }
 509 #endif
 510
 511 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 512   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 513   g_io_thread_application_locale.Get() = locale;
 514 }
 515
 516 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 517   WebContents* tab = tab_util::GetWebContentsByID(params.render_process_id(),
 518                                                   params.opener_id());
 519   if (!tab)
 520     return;
 521
 522   prerender::PrerenderContents* prerender_contents =
 523       prerender::PrerenderContents::FromWebContents(tab);
 524   if (prerender_contents) {
 525     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 526     return;
 527   }
 528
 529   PopupBlockerTabHelper* popup_helper =
 530       PopupBlockerTabHelper::FromWebContents(tab);
 531   if (!popup_helper)
 532     return;
 533   popup_helper->AddBlockedPopup(params);
 534 }
 535
 536 #if defined(OS_ANDROID)
 537
 538 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 539   WebContents* web_contents =
 540       tab_util::GetWebContentsByID(params.render_process_id(),
 541                                    params.opener_id());
 542   if (!web_contents)
 543     return;
 544
 545   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 546 }
 547
 548 float GetDeviceScaleAdjustment() {
 549   static const float kMinFSM = 1.05f;
 550   static const int kWidthForMinFSM = 320;
 551   static const float kMaxFSM = 1.3f;
 552   static const int kWidthForMaxFSM = 800;
 553
 554   gfx::DeviceDisplayInfo info;
 555   int minWidth = info.GetSmallestDIPWidth();
 556
 557   if (minWidth <= kWidthForMinFSM)
 558     return kMinFSM;
 559   if (minWidth >= kWidthForMaxFSM)
 560     return kMaxFSM;
 561
 562   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 563   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 564       (kWidthForMaxFSM - kWidthForMinFSM);
 565   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 566 }
 567
 568 #endif  // defined(OS_ANDROID)
 569
 570 #if defined(ENABLE_EXTENSIONS)
 571 // By default, JavaScript and images are enabled in guest content.
 572 void GetGuestViewDefaultContentSettingRules(
 573     bool incognito,
 574     RendererContentSettingRules* rules) {
 575   rules->image_rules.push_back(
 576       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 577                                   ContentSettingsPattern::Wildcard(),
 578                                   CONTENT_SETTING_ALLOW,
 579                                   std::string(),
 580                                   incognito));
 581
 582   rules->script_rules.push_back(
 583       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 584                                   ContentSettingsPattern::Wildcard(),
 585                                   CONTENT_SETTING_ALLOW,
 586                                   std::string(),
 587                                   incognito));
 588 }
 589 #endif  // defined(ENALBE_EXTENSIONS)
 590
 591 }  // namespace
 592
 593 namespace chrome {
 594
 595 ChromeContentBrowserClient::ChromeContentBrowserClient()
 596     : prerender_tracker_(NULL),
 597       weak_factory_(this) {
 598 #if defined(ENABLE_PLUGINS)
 599   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 600     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 601   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 602     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 603   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 604     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 605 #endif
 606
 607 #if !defined(OS_ANDROID)
 608   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 609   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 610 #endif
 611
 612 #if defined(ENABLE_EXTENSIONS)
 613   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 614 #endif
 615 }
 616
 617 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 618   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 619     delete extra_parts_[i];
 620   extra_parts_.clear();
 621 }
 622
 623 // static
 624 void ChromeContentBrowserClient::RegisterProfilePrefs(
 625     user_prefs::PrefRegistrySyncable* registry) {
 626   registry->RegisterBooleanPref(
 627       prefs::kDisable3DAPIs,
 628       false,
 629       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 630   registry->RegisterBooleanPref(
 631       prefs::kEnableHyperlinkAuditing,
 632       true,
 633       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 634   registry->RegisterListPref(
 635       prefs::kEnableDeprecatedWebPlatformFeatures,
 636       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 637 }
 638
 639 // static
 640 void ChromeContentBrowserClient::SetApplicationLocale(
 641     const std::string& locale) {
 642   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 643
 644   // This object is guaranteed to outlive all threads so we don't have to
 645   // worry about the lack of refcounting and can just post as Unretained.
 646   //
 647   // The common case is that this function is called early in Chrome startup
 648   // before any threads are created (it will also be called later if the user
 649   // changes the pref). In this case, there will be no threads created and
 650   // posting will fail. When there are no threads, we can just set the string
 651   // without worrying about threadsafety.
 652   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 653           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 654     g_io_thread_application_locale.Get() = locale;
 655   }
 656 }
 657
 658 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 659     const content::MainFunctionParams& parameters) {
 660   ChromeBrowserMainParts* main_parts;
 661   // Construct the Main browser parts based on the OS type.
 662 #if defined(OS_WIN)
 663   main_parts = new ChromeBrowserMainPartsWin(parameters);
 664 #elif defined(OS_MACOSX)
 665   main_parts = new ChromeBrowserMainPartsMac(parameters);
 666 #elif defined(OS_CHROMEOS)
 667   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 668 #elif defined(OS_LINUX)
 669   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 670 #elif defined(OS_ANDROID)
 671   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 672 #elif defined(OS_POSIX)
 673   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 674 #else
 675   NOTREACHED();
 676   main_parts = new ChromeBrowserMainParts(parameters);
 677 #endif
 678
 679   chrome::AddProfilesExtraParts(main_parts);
 680
 681   // Construct additional browser parts. Stages are called in the order in
 682   // which they are added.
 683 #if defined(TOOLKIT_VIEWS)
 684   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 685 #endif
 686
 687 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 688 // We should reduce the dependency as much as possible.
 689 #if defined(USE_ATHENA)
 690   main_parts->AddParts(CreateChromeBrowserMainExtraPartsAthena());
 691 #elif defined(USE_ASH)
 692   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 693 #endif
 694
 695 #if defined(USE_AURA)
 696   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 697 #endif
 698
 699 #if defined(USE_X11)
 700   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 701 #endif
 702
 703   chrome::AddMetricsExtraParts(main_parts);
 704
 705   return main_parts;
 706 }
 707
 708 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 709     content::BrowserContext* browser_context,
 710     const GURL& site) {
 711   std::string partition_id;
 712
 713   // The partition ID for webview guest processes is the string value of its
 714   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 715   if (site.SchemeIs(content::kGuestScheme)) {
 716     partition_id = site.spec();
 717   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 718     // Chrome signin page has an embedded iframe of extension and web content,
 719     // thus it must be isolated from other webUI pages.
 720     partition_id = site.GetOrigin().spec();
 721   }
 722
 723   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 724   return partition_id;
 725 }
 726
 727 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 728     content::BrowserContext* browser_context,
 729     const std::string& partition_id) {
 730   // The default ID is empty and is always valid.
 731   if (partition_id.empty())
 732     return true;
 733
 734   return GURL(partition_id).is_valid();
 735 }
 736
 737 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 738     content::BrowserContext* browser_context,
 739     const GURL& site,
 740     bool can_be_default,
 741     std::string* partition_domain,
 742     std::string* partition_name,
 743     bool* in_memory) {
 744   // Default to the browser-wide storage partition and override based on |site|
 745   // below.
 746   partition_domain->clear();
 747   partition_name->clear();
 748   *in_memory = false;
 749
 750   bool success = false;
 751 #if defined(ENABLE_EXTENSIONS)
 752   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 753       site, partition_domain, partition_name, in_memory);
 754
 755   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 756     // If |can_be_default| is false, the caller is stating that the |site|
 757     // should be parsed as if it had isolated storage. In particular it is
 758     // important to NOT check ExtensionService for the is_storage_isolated()
 759     // attribute because this code path is run during Extension uninstall
 760     // to do cleanup after the Extension has already been unloaded from the
 761     // ExtensionService.
 762     bool is_isolated = !can_be_default;
 763     if (can_be_default) {
 764       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 765         is_isolated = true;
 766     }
 767
 768     if (is_isolated) {
 769       CHECK(site.has_host());
 770       // For extensions with isolated storage, the the host of the |site| is
 771       // the |partition_domain|. The |in_memory| and |partition_name| are only
 772       // used in guest schemes so they are cleared here.
 773       *partition_domain = site.host();
 774       *in_memory = false;
 775       partition_name->clear();
 776     }
 777     success = true;
 778   }
 779 #endif
 780
 781   if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL)) {
 782     // Chrome signin page has an embedded iframe of extension and web content,
 783     // thus it must be isolated from other webUI pages.
 784     *partition_domain = chrome::kChromeUIChromeSigninHost;
 785   }
 786
 787   // Assert that if |can_be_default| is false, the code above must have found a
 788   // non-default partition.  If this fails, the caller has a serious logic
 789   // error about which StoragePartition they expect to be in and it is not
 790   // safe to continue.
 791   CHECK(can_be_default || !partition_domain->empty());
 792 }
 793
 794 content::WebContentsViewDelegate*
 795     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 796         content::WebContents* web_contents) {
 797 #if defined(USE_ATHENA)
 798   return athena::CreateWebContentsViewDelegate(web_contents);
 799 #else
 800   return chrome::CreateWebContentsViewDelegate(web_contents);
 801 #endif
 802 }
 803
 804 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 805     content::RenderProcessHost* host) {
 806   int id = host->GetID();
 807   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 808   net::URLRequestContextGetter* context =
 809       profile->GetRequestContextForRenderProcess(id);
 810
 811   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 812 #if defined(ENABLE_PLUGINS)
 813   host->AddFilter(new PluginInfoMessageFilter(id, profile));
 814 #endif
 815   host->AddFilter(new cast::CastTransportHostFilter);
 816 #if defined(ENABLE_PRINTING)
 817   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 818 #endif
 819   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 820 #if defined(ENABLE_SPELLCHECK)
 821   host->AddFilter(new SpellCheckMessageFilter(id));
 822 #endif
 823 #if defined(OS_MACOSX)
 824   host->AddFilter(new SpellCheckMessageFilterMac(id));
 825 #endif
 826   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 827   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 828   host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
 829 #if defined(ENABLE_WEBRTC)
 830   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 831       new WebRtcLoggingHandlerHost(profile);
 832   host->SetWebRtcLogMessageCallback(base::Bind(
 833       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 834   host->AddFilter(webrtc_logging_handler_host);
 835   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 836       webrtc_logging_handler_host));
 837 #endif
 838 #if !defined(DISABLE_NACL)
 839   host->AddFilter(new nacl::NaClHostMessageFilter(
 840       id, profile->IsOffTheRecord(),
 841       profile->GetPath(),
 842       context));
 843 #endif
 844 #if defined(OS_ANDROID)
 845   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 846 #endif
 847   if (switches::IsEnableAccountConsistency())
 848     host->AddFilter(new PrincipalsMessageFilter(id));
 849
 850   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 851       profile->IsOffTheRecord()));
 852
 853   for (size_t i = 0; i < extra_parts_.size(); ++i)
 854     extra_parts_[i]->RenderProcessWillLaunch(host);
 855
 856   RendererContentSettingRules rules;
 857   if (host->IsIsolatedGuest()) {
 858 #if defined(ENABLE_EXTENSIONS)
 859     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 860 #else
 861     NOTREACHED();
 862 #endif
 863   } else {
 864     GetRendererContentSettingRules(
 865         profile->GetHostContentSettingsMap(), &rules);
 866   }
 867   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 868 }
 869
 870 GURL ChromeContentBrowserClient::GetEffectiveURL(
 871     content::BrowserContext* browser_context, const GURL& url) {
 872   Profile* profile = Profile::FromBrowserContext(browser_context);
 873   if (!profile)
 874     return url;
 875
 876   // If the input |url| should be assigned to the Instant renderer, make its
 877   // effective URL distinct from other URLs on the search provider's domain.
 878   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 879     return chrome::GetEffectiveURLForInstant(url, profile);
 880
 881 #if !defined(OS_CHROMEOS)
 882   // If the input |url| should be assigned to the Signin renderer, make its
 883   // effective URL distinct from other URLs on the signin service's domain.
 884   // Note that the signin renderer will be allowed to sign the user in to
 885   // Chrome.
 886   if (SigninManager::IsWebBasedSigninFlowURL(url))
 887     return GetEffectiveURLForSignin(url);
 888 #endif
 889
 890 #if defined(ENABLE_EXTENSIONS)
 891   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 892       profile, url);
 893 #else
 894   return url;
 895 #endif
 896 }
 897
 898 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 899     content::BrowserContext* browser_context, const GURL& effective_url) {
 900   // Non-extension, non-Instant URLs should generally use
 901   // process-per-site-instance.  Because we expect to use the effective URL,
 902   // URLs for hosted apps (apart from bookmark apps) should have an extension
 903   // scheme by now.
 904
 905   Profile* profile = Profile::FromBrowserContext(browser_context);
 906   if (!profile)
 907     return false;
 908
 909   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 910     return true;
 911
 912 #if !defined(OS_CHROMEOS)
 913   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
 914     return true;
 915 #endif
 916
 917 #if defined(ENABLE_EXTENSIONS)
 918   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 919       profile, effective_url);
 920 #else
 921   return false;
 922 #endif
 923 }
 924
 925 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 926 // view-source is allowed for these schemes.
 927 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 928     std::vector<std::string>* additional_schemes) {
 929   additional_schemes->push_back(chrome::kChromeSearchScheme);
 930   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 931 }
 932
 933 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 934     std::vector<std::string>* hosts) {
 935   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 936   hosts->push_back(chrome::kChromeUIFaviconHost);
 937   hosts->push_back(chrome::kChromeUIThemeHost);
 938   hosts->push_back(chrome::kChromeUIThumbnailHost);
 939   hosts->push_back(chrome::kChromeUIThumbnailHost2);
 940   hosts->push_back(chrome::kChromeUIThumbnailListHost);
 941 }
 942
 943 net::URLRequestContextGetter*
 944 ChromeContentBrowserClient::CreateRequestContext(
 945     content::BrowserContext* browser_context,
 946     content::ProtocolHandlerMap* protocol_handlers,
 947     content::URLRequestInterceptorScopedVector request_interceptors) {
 948   Profile* profile = Profile::FromBrowserContext(browser_context);
 949   return profile->CreateRequestContext(protocol_handlers,
 950                                        request_interceptors.Pass());
 951 }
 952
 953 net::URLRequestContextGetter*
 954 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
 955     content::BrowserContext* browser_context,
 956     const base::FilePath& partition_path,
 957     bool in_memory,
 958     content::ProtocolHandlerMap* protocol_handlers,
 959     content::URLRequestInterceptorScopedVector request_interceptors) {
 960   Profile* profile = Profile::FromBrowserContext(browser_context);
 961   return profile->CreateRequestContextForStoragePartition(
 962       partition_path,
 963       in_memory,
 964       protocol_handlers,
 965       request_interceptors.Pass());
 966 }
 967
 968 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
 969   return ProfileIOData::IsHandledURL(url);
 970 }
 971
 972 bool ChromeContentBrowserClient::CanCommitURL(
 973     content::RenderProcessHost* process_host,
 974     const GURL& url) {
 975 #if defined(ENABLE_EXTENSIONS)
 976   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
 977       process_host, url);
 978 #else
 979   return true;
 980 #endif
 981 }
 982
 983 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
 984     content::SiteInstance* site_instance, const GURL& url) {
 985   GURL from_url = site_instance->GetSiteURL();
 986
 987 #if defined(ENABLE_EXTENSIONS)
 988   bool result;
 989   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
 990       site_instance, from_url, url, &result))
 991     return result;
 992 #endif
 993
 994   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
 995   // the signin page may host untrusted web content.
 996   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
 997       url.SchemeIs(content::kChromeUIScheme) &&
 998       url.host() != chrome::kChromeUIChromeSigninHost) {
 999     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1000             << chrome::kChromeUIChromeSigninURL;
1001     return false;
1002   }
1003
1004   return true;
1005 }
1006
1007 bool ChromeContentBrowserClient::IsSuitableHost(
1008     content::RenderProcessHost* process_host,
1009     const GURL& site_url) {
1010   Profile* profile =
1011       Profile::FromBrowserContext(process_host->GetBrowserContext());
1012   // This may be NULL during tests. In that case, just assume any site can
1013   // share any host.
1014   if (!profile)
1015     return true;
1016
1017   // Instant URLs should only be in the instant process and instant process
1018   // should only have Instant URLs.
1019   InstantService* instant_service =
1020       InstantServiceFactory::GetForProfile(profile);
1021   if (instant_service) {
1022     bool is_instant_process = instant_service->IsInstantProcess(
1023         process_host->GetID());
1024     bool should_be_in_instant_process =
1025         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1026     if (is_instant_process || should_be_in_instant_process)
1027       return is_instant_process && should_be_in_instant_process;
1028   }
1029
1030 #if !defined(OS_CHROMEOS)
1031   SigninClient* signin_client =
1032       ChromeSigninClientFactory::GetForProfile(profile);
1033   if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1034     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1035 #endif
1036
1037 #if defined(ENABLE_EXTENSIONS)
1038   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1039       profile, process_host, site_url);
1040 #else
1041   return true;
1042 #endif
1043 }
1044
1045 bool ChromeContentBrowserClient::MayReuseHost(
1046     content::RenderProcessHost* process_host) {
1047   // If there is currently a prerender in progress for the host provided,
1048   // it may not be shared. We require prerenders to be by themselves in a
1049   // separate process, so that we can monitor their resource usage, and so that
1050   // we can track the cookies that they change.
1051   Profile* profile = Profile::FromBrowserContext(
1052       process_host->GetBrowserContext());
1053   prerender::PrerenderManager* prerender_manager =
1054       prerender::PrerenderManagerFactory::GetForProfile(profile);
1055   if (prerender_manager &&
1056       !prerender_manager->MayReuseProcessHost(process_host)) {
1057     return false;
1058   }
1059
1060   return true;
1061 }
1062
1063 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1064     content::BrowserContext* browser_context, const GURL& url) {
1065   // It has to be a valid URL for us to check for an extension.
1066   if (!url.is_valid())
1067     return false;
1068
1069 #if defined(ENABLE_EXTENSIONS)
1070   Profile* profile = Profile::FromBrowserContext(browser_context);
1071   return ChromeContentBrowserClientExtensionsPart::
1072       ShouldTryToUseExistingProcessHost(
1073           profile, url);
1074 #else
1075   return false;
1076 #endif
1077 }
1078
1079 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1080     SiteInstance* site_instance) {
1081   CHECK(site_instance->HasProcess());
1082
1083   Profile* profile = Profile::FromBrowserContext(
1084       site_instance->GetBrowserContext());
1085   if (!profile)
1086     return;
1087
1088   // Remember the ID of the Instant process to signal the renderer process
1089   // on startup in |AppendExtraCommandLineSwitches| below.
1090   if (chrome::ShouldAssignURLToInstantRenderer(
1091           site_instance->GetSiteURL(), profile)) {
1092     InstantService* instant_service =
1093         InstantServiceFactory::GetForProfile(profile);
1094     if (instant_service)
1095       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1096   }
1097
1098 #if !defined(OS_CHROMEOS)
1099   // We only expect there to be one signin process as we use process-per-site
1100   // for signin URLs. The signin process will be cleared from SigninManager
1101   // when the renderer is destroyed.
1102   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1103     SigninClient* signin_client =
1104         ChromeSigninClientFactory::GetForProfile(profile);
1105     if (signin_client)
1106       signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1107 #if defined(ENABLE_EXTENSIONS)
1108     ChromeContentBrowserClientExtensionsPart::SetSigninProcess(site_instance);
1109 #endif
1110   }
1111 #endif
1112
1113   for (size_t i = 0; i < extra_parts_.size(); ++i)
1114     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1115 }
1116
1117 void ChromeContentBrowserClient::SiteInstanceDeleting(
1118     SiteInstance* site_instance) {
1119   if (!site_instance->HasProcess())
1120     return;
1121
1122   for (size_t i = 0; i < extra_parts_.size(); ++i)
1123     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1124 }
1125
1126 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1127     SiteInstance* site_instance,
1128     const GURL& current_url,
1129     const GURL& new_url) {
1130 #if defined(ENABLE_EXTENSIONS)
1131   return ChromeContentBrowserClientExtensionsPart::
1132       ShouldSwapBrowsingInstancesForNavigation(
1133           site_instance, current_url, new_url);
1134 #else
1135   return false;
1136 #endif
1137 }
1138
1139 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1140     content::ResourceContext* resource_context, const GURL& current_url,
1141     const GURL& new_url) {
1142 #if defined(ENABLE_EXTENSIONS)
1143   return ChromeContentBrowserClientExtensionsPart::
1144       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1145 #else
1146   return false;
1147 #endif
1148 }
1149
1150 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1151   return !url.SchemeIs(chrome::kChromeNativeScheme);
1152 }
1153
1154 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1155     const std::string& alias_name) {
1156   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1157 }
1158
1159 namespace {
1160
1161 bool IsAutoReloadEnabled() {
1162   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1163   // causes the field-trial mechanism to report which group we're in, which
1164   // might reflect a hard disable or hard enable via flag, both of which have
1165   // their own field trial groups. This lets us know what percentage of users
1166   // manually enable or disable auto-reload.
1167   std::string group = base::FieldTrialList::FindFullName(
1168       "AutoReloadExperiment");
1169   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1170   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1171     return true;
1172   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1173     return false;
1174   return true;
1175 }
1176
1177 bool IsAutoReloadVisibleOnlyEnabled() {
1178   // See the block comment in IsAutoReloadEnabled().
1179   std::string group = base::FieldTrialList::FindFullName(
1180       "AutoReloadVisibleOnlyExperiment");
1181   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1182   if (browser_command_line.HasSwitch(
1183       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1184     return true;
1185   }
1186   if (browser_command_line.HasSwitch(
1187       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1188     return false;
1189   }
1190   return true;
1191 }
1192
1193 }  // namespace
1194
1195 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1196     CommandLine* command_line, int child_process_id) {
1197 #if defined(OS_POSIX)
1198   if (breakpad::IsCrashReporterEnabled()) {
1199     scoped_ptr<metrics::ClientInfo> client_info =
1200         GoogleUpdateSettings::LoadMetricsClientInfo();
1201     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1202                                     client_info ? client_info->client_id
1203                                                 : std::string());
1204   }
1205 #endif  // defined(OS_POSIX)
1206
1207   if (logging::DialogsAreSuppressed())
1208     command_line->AppendSwitch(switches::kNoErrorDialogs);
1209
1210   std::string process_type =
1211       command_line->GetSwitchValueASCII(switches::kProcessType);
1212   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1213
1214   static const char* const kCommonSwitchNames[] = {
1215     switches::kUserAgent,
1216     switches::kUserDataDir,  // Make logs go to the right file.
1217   };
1218   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1219                                  arraysize(kCommonSwitchNames));
1220
1221 #if defined(ENABLE_IPC_FUZZER)
1222   static const char* const kIpcFuzzerSwitches[] = {
1223     switches::kIpcFuzzerTestcase,
1224   };
1225   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1226                                  arraysize(kIpcFuzzerSwitches));
1227 #endif
1228
1229 #if defined(OS_CHROMEOS)
1230   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1231   base::FilePath homedir;
1232   PathService::Get(base::DIR_HOME, &homedir);
1233   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1234                                   homedir.value().c_str());
1235 #endif
1236
1237   if (process_type == switches::kRendererProcess) {
1238     content::RenderProcessHost* process =
1239         content::RenderProcessHost::FromID(child_process_id);
1240     Profile* profile =
1241         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1242                 : NULL;
1243     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1244       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1245           command_line, process, profile);
1246     }
1247
1248 #if defined(OS_CHROMEOS)
1249     const std::string& login_profile =
1250         browser_command_line.GetSwitchValueASCII(
1251             chromeos::switches::kLoginProfile);
1252     if (!login_profile.empty())
1253       command_line->AppendSwitchASCII(
1254           chromeos::switches::kLoginProfile, login_profile);
1255 #endif
1256
1257 #if defined(ENABLE_WEBRTC)
1258     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1259                                            browser_command_line,
1260                                            VersionInfo::GetChannel());
1261 #endif
1262
1263     if (process) {
1264       PrefService* prefs = profile->GetPrefs();
1265       // Currently this pref is only registered if applied via a policy.
1266       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1267           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1268         // Turn this policy into a command line switch.
1269         command_line->AppendSwitch(switches::kDisable3DAPIs);
1270       }
1271
1272       const base::ListValue* switches =
1273           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1274       if (switches) {
1275         // Enable any deprecated features that have been re-enabled by policy.
1276         for (base::ListValue::const_iterator it = switches->begin();
1277              it != switches->end(); ++it) {
1278           std::string switch_to_enable;
1279           if ((*it)->GetAsString(&switch_to_enable))
1280             command_line->AppendSwitch(switch_to_enable);
1281         }
1282       }
1283
1284       // Disable client-side phishing detection in the renderer if it is
1285       // disabled in the Profile preferences or the browser process.
1286       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1287           !g_browser_process->safe_browsing_detection_service()) {
1288         command_line->AppendSwitch(
1289             switches::kDisableClientSidePhishingDetection);
1290       }
1291
1292       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1293         command_line->AppendSwitch(switches::kDisablePrintPreview);
1294
1295       InstantService* instant_service =
1296           InstantServiceFactory::GetForProfile(profile);
1297       if (instant_service &&
1298           instant_service->IsInstantProcess(process->GetID()))
1299         command_line->AppendSwitch(switches::kInstantProcess);
1300
1301 #if !defined(OS_CHROMEOS)
1302       SigninClient* signin_client =
1303           ChromeSigninClientFactory::GetForProfile(profile);
1304       if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1305         command_line->AppendSwitch(switches::kSigninProcess);
1306 #endif
1307     }
1308
1309     if (IsAutoReloadEnabled())
1310       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1311     if (IsAutoReloadVisibleOnlyEnabled()) {
1312       command_line->AppendSwitch(
1313           switches::kEnableOfflineAutoReloadVisibleOnly);
1314     }
1315
1316     {
1317       // Enable load stale cache if this session is in the field trial or
1318       // the user explicitly enabled it.  Note that as far as the renderer
1319       // is concerned, the feature is enabled if-and-only-if the
1320       // kEnableOfflineLoadStaleCache flag is on the command line;
1321       // the yes/no/default behavior is only at the browser command line
1322       // level.
1323
1324       // Command line switches override
1325       if (browser_command_line.HasSwitch(
1326               switches::kEnableOfflineLoadStaleCache)) {
1327         command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1328       } else if (!browser_command_line.HasSwitch(
1329           switches::kDisableOfflineLoadStaleCache)) {
1330         std::string group =
1331             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1332
1333         if (group == "Enabled")
1334           command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1335       }
1336     }
1337
1338     // Please keep this in alphabetical order.
1339     static const char* const kSwitchNames[] = {
1340       autofill::switches::kDisableIgnoreAutocompleteOff,
1341       autofill::switches::kDisablePasswordGeneration,
1342       autofill::switches::kEnablePasswordGeneration,
1343       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1344 #if defined(ENABLE_EXTENSIONS)
1345       extensions::switches::kAllowHTTPBackgroundPage,
1346       extensions::switches::kAllowLegacyExtensionManifests,
1347       extensions::switches::kEnableAppView,
1348       extensions::switches::kEnableAppWindowControls,
1349       extensions::switches::kEnableEmbeddedExtensionOptions,
1350       extensions::switches::kEnableExperimentalExtensionApis,
1351       extensions::switches::kEnableScriptsRequireAction,
1352       extensions::switches::kExtensionsOnChromeURLs,
1353       extensions::switches::kWhitelistedExtensionID,
1354 #endif
1355       switches::kAppsCheckoutURL,
1356       switches::kAppsGalleryURL,
1357       switches::kCloudPrintURL,
1358       switches::kCloudPrintXmppEndpoint,
1359       switches::kDisableBundledPpapiFlash,
1360       switches::kEnableBenchmarking,
1361       switches::kEnableNaCl,
1362 #if !defined(DISABLE_NACL)
1363       switches::kEnableNaClDebug,
1364       switches::kEnableNaClNonSfiMode,
1365 #endif
1366       switches::kEnableNetBenchmarking,
1367       switches::kEnableShowModalDialog,
1368       switches::kEnableStreamlinedHostedApps,
1369       switches::kEnableWebBasedSignin,
1370       switches::kJavaScriptHarmony,
1371       switches::kMessageLoopHistogrammer,
1372       switches::kOutOfProcessPdf,
1373       switches::kPlaybackMode,
1374       switches::kPpapiFlashArgs,
1375       switches::kPpapiFlashPath,
1376       switches::kPpapiFlashVersion,
1377       switches::kProfilingAtStart,
1378       switches::kProfilingFile,
1379       switches::kProfilingFlush,
1380       switches::kRecordMode,
1381       translate::switches::kTranslateSecurityOrigin,
1382     };
1383
1384     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1385                                    arraysize(kSwitchNames));
1386   } else if (process_type == switches::kUtilityProcess) {
1387 #if defined(ENABLE_EXTENSIONS)
1388     static const char* const kSwitchNames[] = {
1389       extensions::switches::kAllowHTTPBackgroundPage,
1390       extensions::switches::kEnableExperimentalExtensionApis,
1391       extensions::switches::kExtensionsOnChromeURLs,
1392       extensions::switches::kWhitelistedExtensionID,
1393     };
1394
1395     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1396                                    arraysize(kSwitchNames));
1397 #endif
1398   } else if (process_type == switches::kPluginProcess) {
1399 #if defined(OS_CHROMEOS)
1400     static const char* const kSwitchNames[] = {
1401       chromeos::switches::kLoginProfile,
1402     };
1403
1404     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1405                                    arraysize(kSwitchNames));
1406 #endif
1407   } else if (process_type == switches::kZygoteProcess) {
1408     static const char* const kSwitchNames[] = {
1409       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1410       switches::kDisableBundledPpapiFlash,
1411 #if !defined(DISABLE_NACL)
1412       switches::kEnableNaClNonSfiMode,
1413       switches::kNaClDangerousNoSandboxNonSfi,
1414 #endif
1415       switches::kPpapiFlashPath,
1416       switches::kPpapiFlashVersion,
1417     };
1418
1419     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1420                                    arraysize(kSwitchNames));
1421   } else if (process_type == switches::kGpuProcess) {
1422     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1423     // because GPU is expected to be unreliable.
1424     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1425         !command_line->HasSwitch(switches::kDisableBreakpad))
1426       command_line->AppendSwitch(switches::kDisableBreakpad);
1427   }
1428
1429   // The command line switch kEnableBenchmarking needs to be specified along
1430   // with the kEnableStatsTable switch to ensure that the stats table global
1431   // is initialized correctly.
1432   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1433     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1434 }
1435
1436 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1437   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1438     return g_io_thread_application_locale.Get();
1439   return g_browser_process->GetApplicationLocale();
1440 }
1441
1442 std::string ChromeContentBrowserClient::GetAcceptLangs(
1443     content::BrowserContext* context) {
1444   Profile* profile = Profile::FromBrowserContext(context);
1445   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1446 }
1447
1448 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1449   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1450   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1451 }
1452
1453 bool ChromeContentBrowserClient::AllowAppCache(
1454     const GURL& manifest_url,
1455     const GURL& first_party,
1456     content::ResourceContext* context) {
1457   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1458   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1459   return io_data->GetCookieSettings()->
1460       IsSettingCookieAllowed(manifest_url, first_party);
1461 }
1462
1463 bool ChromeContentBrowserClient::AllowGetCookie(
1464     const GURL& url,
1465     const GURL& first_party,
1466     const net::CookieList& cookie_list,
1467     content::ResourceContext* context,
1468     int render_process_id,
1469     int render_frame_id) {
1470   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1471   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1472   bool allow = io_data->GetCookieSettings()->
1473       IsReadingCookieAllowed(url, first_party);
1474
1475   BrowserThread::PostTask(
1476       BrowserThread::UI, FROM_HERE,
1477       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1478                  render_frame_id, url, first_party, cookie_list, !allow, true));
1479   return allow;
1480 }
1481
1482 bool ChromeContentBrowserClient::AllowSetCookie(
1483     const GURL& url,
1484     const GURL& first_party,
1485     const std::string& cookie_line,
1486     content::ResourceContext* context,
1487     int render_process_id,
1488     int render_frame_id,
1489     net::CookieOptions* options) {
1490   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1491   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1492   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1493   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1494
1495   if (prerender_tracker_) {
1496     prerender_tracker_->OnCookieChangedForURL(
1497         render_process_id,
1498         context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1499         url);
1500   }
1501
1502   BrowserThread::PostTask(
1503       BrowserThread::UI, FROM_HERE,
1504       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1505                  render_frame_id, url, first_party, cookie_line, *options,
1506                  !allow));
1507   return allow;
1508 }
1509
1510 bool ChromeContentBrowserClient::AllowSaveLocalState(
1511     content::ResourceContext* context) {
1512   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1513   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1514   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1515   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1516
1517   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1518   // Could we even support per-origin settings?
1519   return setting != CONTENT_SETTING_SESSION_ONLY;
1520 }
1521
1522 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1523     const GURL& url,
1524     const base::string16& name,
1525     const base::string16& display_name,
1526     unsigned long estimated_size,
1527     content::ResourceContext* context,
1528     const std::vector<std::pair<int, int> >& render_frames) {
1529   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1530   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1531   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1532   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1533
1534   // Record access to database for potential display in UI.
1535   std::vector<std::pair<int, int> >::const_iterator i;
1536   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1537     BrowserThread::PostTask(
1538         BrowserThread::UI, FROM_HERE,
1539         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1540                    i->first, i->second, url, name, display_name, !allow));
1541   }
1542
1543   return allow;
1544 }
1545
1546 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1547     const GURL& url,
1548     content::ResourceContext* context,
1549     const std::vector<std::pair<int, int> >& render_frames,
1550     base::Callback<void(bool)> callback) {
1551   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1552   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1553   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1554   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1555
1556 #if defined(ENABLE_EXTENSIONS)
1557   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1558 #else
1559   FileSystemAccessed(url, render_frames, callback, allow);
1560 #endif
1561 }
1562
1563 #if defined(ENABLE_EXTENSIONS)
1564 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1565     const GURL& url,
1566     const std::vector<std::pair<int, int> >& render_frames,
1567     base::Callback<void(bool)> callback,
1568     bool allow) {
1569   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1570   std::vector<std::pair<int, int> >::const_iterator i;
1571   std::map<int, int> process_map;
1572   std::map<int, int>::const_iterator it;
1573   bool has_web_view_guest = false;
1574   // Record access to file system for potential display in UI.
1575   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1576     if (process_map.find(i->first) != process_map.end())
1577       continue;
1578
1579     process_map.insert(std::pair<int, int>(i->first, i->second));
1580
1581     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1582       has_web_view_guest = true;
1583   }
1584   if (!has_web_view_guest) {
1585     FileSystemAccessed(url, render_frames, callback, allow);
1586     return;
1587   }
1588   DCHECK_EQ(1U, process_map.size());
1589   it = process_map.begin();
1590   BrowserThread::PostTask(
1591       BrowserThread::UI,
1592       FROM_HERE,
1593       base::Bind(&ChromeContentBrowserClient::
1594                   RequestFileSystemPermissionOnUIThread,
1595                   it->first,
1596                   it->second,
1597                   url,
1598                   allow,
1599                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1600                             weak_factory_.GetWeakPtr(),
1601                             url,
1602                             render_frames,
1603                             callback)));
1604 }
1605
1606 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1607     int render_process_id,
1608     int render_frame_id,
1609     const GURL& url,
1610     bool allowed_by_default,
1611     const base::Callback<void(bool)>& callback) {
1612   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1613   extensions::WebViewPermissionHelper* web_view_permission_helper =
1614       extensions::WebViewPermissionHelper::FromFrameID(
1615           render_process_id, render_frame_id);
1616   web_view_permission_helper->RequestFileSystemPermission(url,
1617                                                           allowed_by_default,
1618                                                           callback);
1619 }
1620 #endif
1621
1622 void ChromeContentBrowserClient::FileSystemAccessed(
1623     const GURL& url,
1624     const std::vector<std::pair<int, int> >& render_frames,
1625     base::Callback<void(bool)> callback,
1626     bool allow) {
1627   // Record access to file system for potential display in UI.
1628   std::vector<std::pair<int, int> >::const_iterator i;
1629   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1630     BrowserThread::PostTask(
1631         BrowserThread::UI,
1632         FROM_HERE,
1633         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1634                    i->first, i->second, url, !allow));
1635   }
1636   callback.Run(allow);
1637 }
1638
1639 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1640     const GURL& url,
1641     const base::string16& name,
1642     content::ResourceContext* context,
1643     const std::vector<std::pair<int, int> >& render_frames) {
1644   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1645   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1646   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1647   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1648
1649   // Record access to IndexedDB for potential display in UI.
1650   std::vector<std::pair<int, int> >::const_iterator i;
1651   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1652     BrowserThread::PostTask(
1653         BrowserThread::UI, FROM_HERE,
1654         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1655                    i->first, i->second, url, name, !allow));
1656   }
1657
1658   return allow;
1659 }
1660
1661 net::URLRequestContext*
1662 ChromeContentBrowserClient::OverrideRequestContextForURL(
1663     const GURL& url, content::ResourceContext* context) {
1664   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1665 #if defined(ENABLE_EXTENSIONS)
1666   if (url.SchemeIs(extensions::kExtensionScheme)) {
1667     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1668     return io_data->extensions_request_context();
1669   }
1670 #endif
1671
1672   return NULL;
1673 }
1674
1675 QuotaPermissionContext*
1676 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1677   return new ChromeQuotaPermissionContext();
1678 }
1679
1680 void ChromeContentBrowserClient::AllowCertificateError(
1681     int render_process_id,
1682     int render_frame_id,
1683     int cert_error,
1684     const net::SSLInfo& ssl_info,
1685     const GURL& request_url,
1686     ResourceType resource_type,
1687     bool overridable,
1688     bool strict_enforcement,
1689     bool expired_previous_decision,
1690     const base::Callback<void(bool)>& callback,
1691     content::CertificateRequestResultType* result) {
1692   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1693     // A sub-resource has a certificate error.  The user doesn't really
1694     // have a context for making the right decision, so block the
1695     // request hard, without an info bar to allow showing the insecure
1696     // content.
1697     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1698     return;
1699   }
1700
1701   // If the tab is being prerendered, cancel the prerender and the request.
1702   content::RenderFrameHost* render_frame_host =
1703       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1704   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1705   if (!tab) {
1706     NOTREACHED();
1707     return;
1708   }
1709
1710   prerender::PrerenderContents* prerender_contents =
1711       prerender::PrerenderContents::FromWebContents(tab);
1712   if (prerender_contents) {
1713     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1714     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1715     return;
1716   }
1717
1718 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1719   CaptivePortalTabHelper* captive_portal_tab_helper =
1720       CaptivePortalTabHelper::FromWebContents(tab);
1721   if (captive_portal_tab_helper)
1722     captive_portal_tab_helper->OnSSLCertError(ssl_info);
1723 #endif
1724
1725   // Otherwise, display an SSL blocking page. The interstitial page takes
1726   // ownership of ssl_blocking_page.
1727   int options_mask = 0;
1728   if (overridable)
1729     options_mask |= SSLBlockingPage::OVERRIDABLE;
1730   if (strict_enforcement)
1731     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1732   if (expired_previous_decision)
1733     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1734   SSLBlockingPage* ssl_blocking_page = new SSLBlockingPage(
1735       tab, cert_error, ssl_info, request_url, options_mask, callback);
1736   ssl_blocking_page->Show();
1737 }
1738
1739 void ChromeContentBrowserClient::SelectClientCertificate(
1740     int render_process_id,
1741     int render_frame_id,
1742     const net::HttpNetworkSession* network_session,
1743     net::SSLCertRequestInfo* cert_request_info,
1744     const base::Callback<void(net::X509Certificate*)>& callback) {
1745   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1746       render_process_id, render_frame_id);
1747   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1748   if (!tab) {
1749     NOTREACHED();
1750     return;
1751   }
1752
1753   prerender::PrerenderContents* prerender_contents =
1754       prerender::PrerenderContents::FromWebContents(tab);
1755   if (prerender_contents) {
1756     prerender_contents->Destroy(
1757         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1758     return;
1759   }
1760
1761   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1762   DCHECK(requesting_url.is_valid())
1763       << "Invalid URL string: https://"
1764       << cert_request_info->host_and_port.ToString();
1765
1766   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1767   scoped_ptr<base::Value> filter =
1768       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1769           requesting_url,
1770           requesting_url,
1771           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1772           std::string(),
1773           NULL);
1774
1775   if (filter.get()) {
1776     // Try to automatically select a client certificate.
1777     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1778       base::DictionaryValue* filter_dict =
1779           static_cast<base::DictionaryValue*>(filter.get());
1780
1781       const std::vector<scoped_refptr<net::X509Certificate> >&
1782           all_client_certs = cert_request_info->client_certs;
1783       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1784         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1785           // Use the first certificate that is matched by the filter.
1786           callback.Run(all_client_certs[i].get());
1787           return;
1788         }
1789       }
1790     } else {
1791       NOTREACHED();
1792     }
1793   }
1794
1795   chrome::ShowSSLClientCertificateSelector(tab, network_session,
1796                                            cert_request_info, callback);
1797 }
1798
1799 void ChromeContentBrowserClient::AddCertificate(
1800     net::CertificateMimeType cert_type,
1801     const void* cert_data,
1802     size_t cert_size,
1803     int render_process_id,
1804     int render_frame_id) {
1805   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1806                             render_process_id, render_frame_id);
1807 }
1808
1809 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1810   return MediaCaptureDevicesDispatcher::GetInstance();
1811 }
1812
1813 void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
1814     const GURL& source_origin,
1815     content::RenderFrameHost* render_frame_host,
1816     const base::Callback<void(blink::WebNotificationPermission)>& callback) {
1817 #if defined(ENABLE_NOTIFICATIONS)
1818   // Skip showing the infobar if the request comes from an extension, and that
1819   // extension has the 'notify' permission. (If the extension does not have the
1820   // permission, the user will still be prompted.)
1821   Profile* profile = Profile::FromBrowserContext(
1822       render_frame_host->GetSiteInstance()->GetBrowserContext());
1823   DesktopNotificationService* notification_service =
1824       DesktopNotificationServiceFactory::GetForProfile(profile);
1825 #if defined(ENABLE_EXTENSIONS)
1826   InfoMap* extension_info_map =
1827       extensions::ExtensionSystem::Get(profile)->info_map();
1828   const Extension* extension = NULL;
1829   if (extension_info_map) {
1830     extensions::ExtensionSet extensions;
1831     extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1832         source_origin,
1833         render_frame_host->GetProcess()->GetID(),
1834         extensions::APIPermission::kNotifications,
1835         &extensions);
1836     for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1837          iter != extensions.end(); ++iter) {
1838       if (notification_service->IsNotifierEnabled(NotifierId(
1839               NotifierId::APPLICATION, (*iter)->id()))) {
1840         extension = iter->get();
1841         break;
1842       }
1843     }
1844   }
1845   if (IsExtensionWithPermissionOrSuggestInConsole(
1846           APIPermission::kNotifications,
1847           extension,
1848           render_frame_host->GetRenderViewHost())) {
1849     callback.Run(blink::WebNotificationPermissionAllowed);
1850     return;
1851   }
1852 #endif
1853
1854   WebContents* web_contents = WebContents::FromRenderFrameHost(
1855       render_frame_host);
1856   int render_process_id = render_frame_host->GetProcess()->GetID();
1857   const PermissionRequestID request_id(render_process_id,
1858       web_contents->GetRoutingID(),
1859       -1 /* bridge id */,
1860       GURL());
1861
1862   notification_service->RequestNotificationPermission(
1863       web_contents,
1864       request_id,
1865       source_origin,
1866       // TODO(peter): plumb user_gesture over IPC
1867       true,
1868       callback);
1869
1870 #else
1871   NOTIMPLEMENTED();
1872 #endif
1873 }
1874
1875 blink::WebNotificationPermission
1876 ChromeContentBrowserClient::CheckDesktopNotificationPermission(
1877     const GURL& source_origin,
1878     content::ResourceContext* context,
1879     int render_process_id) {
1880 #if defined(ENABLE_NOTIFICATIONS)
1881   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1882
1883   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1884 #if defined(ENABLE_EXTENSIONS)
1885   InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
1886
1887   // We want to see if there is an extension that hasn't been manually disabled
1888   // that has the notifications permission and applies to this security origin.
1889   // First, get the list of extensions with permission for the origin.
1890   extensions::ExtensionSet extensions;
1891   extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1892       source_origin,
1893       render_process_id,
1894       extensions::APIPermission::kNotifications,
1895       &extensions);
1896   for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1897        iter != extensions.end(); ++iter) {
1898     // Then, check to see if it's been disabled by the user.
1899     if (!extension_info_map->AreNotificationsDisabled((*iter)->id()))
1900       return blink::WebNotificationPermissionAllowed;
1901   }
1902 #endif
1903
1904   // No enabled extensions exist, so check the normal host content settings.
1905   HostContentSettingsMap* host_content_settings_map =
1906       io_data->GetHostContentSettingsMap();
1907   ContentSetting setting = host_content_settings_map->GetContentSetting(
1908       source_origin,
1909       source_origin,
1910       CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
1911       NO_RESOURCE_IDENTIFIER);
1912
1913   if (setting == CONTENT_SETTING_ALLOW)
1914     return blink::WebNotificationPermissionAllowed;
1915   if (setting == CONTENT_SETTING_BLOCK)
1916     return blink::WebNotificationPermissionDenied;
1917   return blink::WebNotificationPermissionDefault;
1918 #else
1919   return blink::WebNotificationPermissionAllowed;
1920 #endif
1921 }
1922
1923 void ChromeContentBrowserClient::ShowDesktopNotification(
1924     const content::ShowDesktopNotificationHostMsgParams& params,
1925     RenderFrameHost* render_frame_host,
1926     scoped_ptr<content::DesktopNotificationDelegate> delegate,
1927     base::Closure* cancel_callback) {
1928 #if defined(ENABLE_NOTIFICATIONS)
1929   content::RenderProcessHost* process = render_frame_host->GetProcess();
1930   Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
1931   DesktopNotificationService* service =
1932       DesktopNotificationServiceFactory::GetForProfile(profile);
1933   service->ShowDesktopNotification(
1934       params, render_frame_host, delegate.Pass(), cancel_callback);
1935
1936   profile->GetHostContentSettingsMap()->UpdateLastUsage(
1937       params.origin, params.origin, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
1938 #else
1939   NOTIMPLEMENTED();
1940 #endif
1941 }
1942
1943 void ChromeContentBrowserClient::RequestGeolocationPermission(
1944     content::WebContents* web_contents,
1945     int bridge_id,
1946     const GURL& requesting_frame,
1947     bool user_gesture,
1948     base::Callback<void(bool)> result_callback,
1949     base::Closure* cancel_callback) {
1950   GeolocationPermissionContextFactory::GetForProfile(
1951       Profile::FromBrowserContext(web_contents->GetBrowserContext()))->
1952           RequestGeolocationPermission(web_contents, bridge_id,
1953                                        requesting_frame, user_gesture,
1954                                        result_callback, cancel_callback);
1955 }
1956
1957 void ChromeContentBrowserClient::RequestMidiSysExPermission(
1958     content::WebContents* web_contents,
1959     int bridge_id,
1960     const GURL& requesting_frame,
1961     bool user_gesture,
1962     base::Callback<void(bool)> result_callback,
1963     base::Closure* cancel_callback) {
1964   MidiPermissionContext* context =
1965       MidiPermissionContextFactory::GetForProfile(
1966           Profile::FromBrowserContext(web_contents->GetBrowserContext()));
1967   int renderer_id = web_contents->GetRenderProcessHost()->GetID();
1968   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1969   const PermissionRequestID id(renderer_id, render_view_id, bridge_id, GURL());
1970
1971   context->RequestPermission(web_contents, id, requesting_frame,
1972                              user_gesture, result_callback);
1973 }
1974
1975 void ChromeContentBrowserClient::DidUseGeolocationPermission(
1976     content::WebContents* web_contents,
1977     const GURL& frame_url,
1978     const GURL& main_frame_url) {
1979   Profile::FromBrowserContext(web_contents->GetBrowserContext())
1980       ->GetHostContentSettingsMap()
1981       ->UpdateLastUsage(
1982           frame_url, main_frame_url, CONTENT_SETTINGS_TYPE_GEOLOCATION);
1983 }
1984
1985 void ChromeContentBrowserClient::RequestProtectedMediaIdentifierPermission(
1986     content::WebContents* web_contents,
1987     const GURL& origin,
1988     base::Callback<void(bool)> result_callback,
1989     base::Closure* cancel_callback) {
1990 #if defined(OS_ANDROID)
1991   ProtectedMediaIdentifierPermissionContext* context =
1992       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
1993           Profile::FromBrowserContext(web_contents->GetBrowserContext()));
1994   context->RequestProtectedMediaIdentifierPermission(web_contents,
1995                                                      origin,
1996                                                      result_callback,
1997                                                      cancel_callback);
1998 #else
1999   NOTIMPLEMENTED();
2000   result_callback.Run(false);
2001 #endif  // defined(OS_ANDROID)
2002 }
2003
2004 bool ChromeContentBrowserClient::CanCreateWindow(
2005     const GURL& opener_url,
2006     const GURL& opener_top_level_frame_url,
2007     const GURL& source_origin,
2008     WindowContainerType container_type,
2009     const GURL& target_url,
2010     const content::Referrer& referrer,
2011     WindowOpenDisposition disposition,
2012     const WebWindowFeatures& features,
2013     bool user_gesture,
2014     bool opener_suppressed,
2015     content::ResourceContext* context,
2016     int render_process_id,
2017     int opener_id,
2018     bool* no_javascript_access) {
2019   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2020
2021   *no_javascript_access = false;
2022
2023   // If the opener is trying to create a background window but doesn't have
2024   // the appropriate permission, fail the attempt.
2025   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2026 #if defined(ENABLE_EXTENSIONS)
2027     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2028     InfoMap* map = io_data->GetExtensionInfoMap();
2029     if (!map->SecurityOriginHasAPIPermission(
2030             source_origin,
2031             render_process_id,
2032             APIPermission::kBackground)) {
2033       return false;
2034     }
2035
2036     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2037     // return a recently installed Extension even if this CanCreateWindow call
2038     // was made by an old copy of the page in a normal web process.  That's ok,
2039     // because the permission check above would have caused an early return
2040     // already. We must use the full URL to find hosted apps, though, and not
2041     // just the origin.
2042     const Extension* extension =
2043         map->extensions().GetExtensionOrAppByURL(opener_url);
2044     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2045       *no_javascript_access = true;
2046 #endif
2047
2048     return true;
2049   }
2050
2051 #if defined(ENABLE_EXTENSIONS)
2052   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2053       render_process_id))
2054     return true;
2055 #endif
2056
2057   HostContentSettingsMap* content_settings =
2058       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2059   BlockedWindowParams blocked_params(target_url,
2060                                      referrer,
2061                                      disposition,
2062                                      features,
2063                                      user_gesture,
2064                                      opener_suppressed,
2065                                      render_process_id,
2066                                      opener_id);
2067
2068   if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2069         switches::kDisablePopupBlocking)) {
2070     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2071                                             opener_top_level_frame_url,
2072                                             CONTENT_SETTINGS_TYPE_POPUPS,
2073                                             std::string()) !=
2074         CONTENT_SETTING_ALLOW) {
2075       BrowserThread::PostTask(BrowserThread::UI,
2076                               FROM_HERE,
2077                               base::Bind(&HandleBlockedPopupOnUIThread,
2078                                          blocked_params));
2079       return false;
2080     }
2081   }
2082
2083 #if defined(OS_ANDROID)
2084   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2085     BrowserThread::PostTask(BrowserThread::UI,
2086                             FROM_HERE,
2087                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2088                                        blocked_params));
2089     return false;
2090   }
2091 #endif
2092
2093   return true;
2094 }
2095
2096 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2097   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2098   prerender_tracker_ = g_browser_process->prerender_tracker();
2099   return g_browser_process->ResourceDispatcherHostCreated();
2100 }
2101
2102 // TODO(tommi): Rename from Get to Create.
2103 content::SpeechRecognitionManagerDelegate*
2104     ChromeContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
2105   return new speech::ChromeSpeechRecognitionManagerDelegate();
2106 }
2107
2108 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2109   return g_browser_process->net_log();
2110 }
2111
2112 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2113   return new ChromeAccessTokenStore();
2114 }
2115
2116 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2117   return true;
2118 }
2119
2120 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2121     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2122   Profile* profile = Profile::FromBrowserContext(
2123       rvh->GetProcess()->GetBrowserContext());
2124   PrefService* prefs = profile->GetPrefs();
2125
2126   // Fill per-script font preferences. These are not registered on Android
2127   // - http://crbug.com/308033.
2128 #if !defined(OS_ANDROID)
2129   FontFamilyCache::FillFontFamilyMap(profile,
2130                                      prefs::kWebKitStandardFontFamilyMap,
2131                                      &web_prefs->standard_font_family_map);
2132   FontFamilyCache::FillFontFamilyMap(profile,
2133                                      prefs::kWebKitFixedFontFamilyMap,
2134                                      &web_prefs->fixed_font_family_map);
2135   FontFamilyCache::FillFontFamilyMap(profile,
2136                                      prefs::kWebKitSerifFontFamilyMap,
2137                                      &web_prefs->serif_font_family_map);
2138   FontFamilyCache::FillFontFamilyMap(profile,
2139                                      prefs::kWebKitSansSerifFontFamilyMap,
2140                                      &web_prefs->sans_serif_font_family_map);
2141   FontFamilyCache::FillFontFamilyMap(profile,
2142                                      prefs::kWebKitCursiveFontFamilyMap,
2143                                      &web_prefs->cursive_font_family_map);
2144   FontFamilyCache::FillFontFamilyMap(profile,
2145                                      prefs::kWebKitFantasyFontFamilyMap,
2146                                      &web_prefs->fantasy_font_family_map);
2147   FontFamilyCache::FillFontFamilyMap(profile,
2148                                      prefs::kWebKitPictographFontFamilyMap,
2149                                      &web_prefs->pictograph_font_family_map);
2150 #endif
2151
2152   web_prefs->default_font_size =
2153       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2154   web_prefs->default_fixed_font_size =
2155       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2156   web_prefs->minimum_font_size =
2157       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2158   web_prefs->minimum_logical_font_size =
2159       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2160
2161   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2162
2163   web_prefs->javascript_can_open_windows_automatically =
2164       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2165   web_prefs->dom_paste_enabled =
2166       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2167   web_prefs->shrinks_standalone_images_to_fit =
2168       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2169   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2170
2171   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2172     web_prefs->javascript_enabled = false;
2173   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2174     web_prefs->web_security_enabled = false;
2175   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2176     web_prefs->plugins_enabled = false;
2177   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2178     web_prefs->java_enabled = false;
2179   web_prefs->loads_images_automatically =
2180       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2181
2182   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2183     web_prefs->experimental_webgl_enabled = false;
2184
2185   web_prefs->allow_displaying_insecure_content =
2186       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2187   web_prefs->allow_running_insecure_content =
2188       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2189 #if defined(OS_ANDROID)
2190   web_prefs->font_scale_factor =
2191       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2192   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2193   web_prefs->force_enable_zoom =
2194       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2195 #endif
2196
2197 #if defined(OS_ANDROID)
2198   web_prefs->password_echo_enabled =
2199       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2200 #else
2201   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2202 #endif
2203
2204   web_prefs->asynchronous_spell_checking_enabled = true;
2205   web_prefs->unified_textchecker_enabled = true;
2206
2207   web_prefs->uses_universal_detector =
2208       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2209   web_prefs->text_areas_are_resizable =
2210       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2211   web_prefs->hyperlink_auditing_enabled =
2212       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2213
2214   // Make sure we will set the default_encoding with canonical encoding name.
2215   web_prefs->default_encoding =
2216       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2217           web_prefs->default_encoding);
2218   if (web_prefs->default_encoding.empty()) {
2219     prefs->ClearPref(prefs::kDefaultCharset);
2220     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2221   }
2222   DCHECK(!web_prefs->default_encoding.empty());
2223
2224   for (size_t i = 0; i < extra_parts_.size(); ++i)
2225     extra_parts_[i]->OverrideWebkitPrefs(rvh, url, web_prefs);
2226 }
2227
2228 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2229     BrowserURLHandler* handler) {
2230   for (size_t i = 0; i < extra_parts_.size(); ++i)
2231     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2232
2233   // about: handler. Must come before chrome: handler, since it will
2234   // rewrite about: urls to chrome: URLs and then expect chrome: to
2235   // actually handle them.
2236   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2237                           BrowserURLHandler::null_handler());
2238
2239 #if defined(OS_ANDROID)
2240   // Handler to rewrite chrome://newtab on Android.
2241   handler->AddHandlerPair(&chrome::android::HandleAndroidNewTabURL,
2242                           BrowserURLHandler::null_handler());
2243 #else
2244   // Handler to rewrite chrome://newtab for InstantExtended.
2245   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2246                           &chrome::HandleNewTabURLReverseRewrite);
2247 #endif
2248
2249   // chrome: & friends.
2250   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2251 }
2252
2253 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2254   Profile* profile = Profile::FromBrowserContext(
2255       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2256   BrowsingDataRemover* remover =
2257       BrowsingDataRemover::CreateForUnboundedRange(profile);
2258   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2259                   BrowsingDataHelper::UNPROTECTED_WEB);
2260   // BrowsingDataRemover takes care of deleting itself when done.
2261 }
2262
2263 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2264   Profile* profile = Profile::FromBrowserContext(
2265       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2266   BrowsingDataRemover* remover =
2267       BrowsingDataRemover::CreateForUnboundedRange(profile);
2268   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2269   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2270   // BrowsingDataRemover takes care of deleting itself when done.
2271 }
2272
2273 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2274   return DownloadPrefs::GetDefaultDownloadDirectory();
2275 }
2276
2277 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2278   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2279 }
2280
2281 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2282     content::BrowserPpapiHost* browser_host) {
2283 #if defined(ENABLE_PLUGINS)
2284   browser_host->GetPpapiHost()->AddHostFactoryFilter(
2285       scoped_ptr<ppapi::host::HostFactory>(
2286           new ChromeBrowserPepperHostFactory(browser_host)));
2287 #endif
2288 }
2289
2290 content::BrowserPpapiHost*
2291     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2292         int plugin_process_id) {
2293 #if !defined(DISABLE_NACL)
2294   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2295   while (!iter.Done()) {
2296     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2297         iter.GetDelegate());
2298     if (host->process() &&
2299         host->process()->GetData().id == plugin_process_id) {
2300       // Found the plugin.
2301       return host->browser_ppapi_host();
2302     }
2303     ++iter;
2304   }
2305 #endif
2306   return NULL;
2307 }
2308
2309 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2310     content::BrowserContext* browser_context,
2311     const GURL& url,
2312     bool private_api,
2313     const content::SocketPermissionRequest* params) {
2314 #if defined(ENABLE_EXTENSIONS)
2315   Profile* profile = Profile::FromBrowserContext(browser_context);
2316   const extensions::ExtensionSet* extension_set = NULL;
2317   if (profile) {
2318     const ExtensionService* ext_service =
2319         extensions::ExtensionSystem::Get(profile)->extension_service();
2320     if (ext_service) {
2321       extension_set = ext_service->extensions();
2322     }
2323   }
2324
2325   if (private_api) {
2326     // Access to private socket APIs is controlled by the whitelist.
2327     if (IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2328                                              allowed_socket_origins_)) {
2329       return true;
2330     }
2331   } else {
2332     // Access to public socket APIs is controlled by extension permissions.
2333     if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
2334         extension_set) {
2335       const Extension* extension = extension_set->GetByID(url.host());
2336       if (extension) {
2337         const extensions::PermissionsData* permissions_data =
2338             extension->permissions_data();
2339         if (params) {
2340           extensions::SocketPermission::CheckParam check_params(
2341               params->type, params->host, params->port);
2342           if (permissions_data->CheckAPIPermissionWithParam(
2343                   extensions::APIPermission::kSocket, &check_params)) {
2344             return true;
2345           }
2346         } else if (permissions_data->HasAPIPermission(
2347                        extensions::APIPermission::kSocket)) {
2348           return true;
2349         }
2350       }
2351     }
2352   }
2353
2354   // Allow both public and private APIs if the command line says so.
2355   return IsHostAllowedByCommandLine(url, extension_set,
2356                                     switches::kAllowNaClSocketAPI);
2357 #else
2358   return false;
2359 #endif
2360 }
2361
2362 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2363     WebContents* web_contents) {
2364   return new ChromeSelectFilePolicy(web_contents);
2365 }
2366
2367 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2368     std::vector<std::string>* additional_allowed_schemes) {
2369   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2370       additional_allowed_schemes);
2371   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2372   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2373   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2374     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2375         additional_allowed_schemes);
2376   }
2377 }
2378
2379 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2380     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2381   for (size_t i = 0; i < extra_parts_.size(); ++i)
2382     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2383 }
2384
2385 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2386     content::BrowserContext* browser_context,
2387     const base::FilePath& storage_partition_path,
2388     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2389 #if defined(OS_CHROMEOS)
2390   storage::ExternalMountPoints* external_mount_points =
2391       content::BrowserContext::GetMountPoints(browser_context);
2392   DCHECK(external_mount_points);
2393   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2394       new drive::FileSystemBackendDelegate,
2395       new chromeos::file_system_provider::BackendDelegate,
2396       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2397       browser_context->GetSpecialStoragePolicy(),
2398       external_mount_points,
2399       storage::ExternalMountPoints::GetSystemInstance());
2400   backend->AddSystemMountPoints();
2401   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2402   additional_backends->push_back(backend);
2403 #endif
2404
2405   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2406     extra_parts_[i]->GetAdditionalFileSystemBackends(
2407         browser_context, storage_partition_path, additional_backends);
2408   }
2409 }
2410
2411 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2412 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2413     const CommandLine& command_line,
2414     int child_process_id,
2415     std::vector<FileDescriptorInfo>* mappings) {
2416 #if defined(OS_ANDROID)
2417   base::FilePath data_path;
2418   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2419   DCHECK(!data_path.empty());
2420
2421   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2422   base::FilePath chrome_resources_pak =
2423       data_path.AppendASCII("chrome_100_percent.pak");
2424   base::File file(chrome_resources_pak, flags);
2425   DCHECK(file.IsValid());
2426   mappings->push_back(FileDescriptorInfo(kAndroidChrome100PercentPakDescriptor,
2427                                          FileDescriptor(file.Pass())));
2428
2429   const std::string locale = GetApplicationLocale();
2430   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2431       GetLocaleFilePath(locale, false);
2432   file.Initialize(locale_pak, flags);
2433   DCHECK(file.IsValid());
2434   mappings->push_back(FileDescriptorInfo(kAndroidLocalePakDescriptor,
2435                                          FileDescriptor(file.Pass())));
2436
2437   base::FilePath resources_pack_path;
2438   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2439   file.Initialize(resources_pack_path, flags);
2440   DCHECK(file.IsValid());
2441   mappings->push_back(FileDescriptorInfo(kAndroidUIResourcesPakDescriptor,
2442                                          FileDescriptor(file.Pass())));
2443
2444   if (breakpad::IsCrashReporterEnabled()) {
2445     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2446                child_process_id);
2447     if (file.IsValid()) {
2448       mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
2449                                              FileDescriptor(file.Pass())));
2450     } else {
2451       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2452                  "be disabled for this process.";
2453     }
2454   }
2455
2456   base::FilePath app_data_path;
2457   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2458   DCHECK(!app_data_path.empty());
2459
2460   flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2461   base::FilePath icudata_path =
2462       app_data_path.AppendASCII("icudtl.dat");
2463   base::File icudata_file(icudata_path, flags);
2464   DCHECK(icudata_file.IsValid());
2465   mappings->push_back(FileDescriptorInfo(kAndroidICUDataDescriptor,
2466                                          FileDescriptor(icudata_file.Pass())));
2467
2468 #else
2469   int crash_signal_fd = GetCrashSignalFD(command_line);
2470   if (crash_signal_fd >= 0) {
2471     mappings->push_back(FileDescriptorInfo(kCrashDumpSignal,
2472                                            FileDescriptor(crash_signal_fd,
2473                                                           false)));
2474   }
2475 #endif  // defined(OS_ANDROID)
2476 }
2477 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2478
2479 #if defined(OS_WIN)
2480 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2481   return chrome::kBrowserResourcesDll;
2482 }
2483
2484 void ChromeContentBrowserClient::PreSpawnRenderer(
2485     sandbox::TargetPolicy* policy,
2486     bool* success) {
2487   // This code is duplicated in nacl_exe_win_64.cc.
2488   // Allow the server side of a pipe restricted to the "chrome.nacl."
2489   // namespace so that it cannot impersonate other system or other chrome
2490   // service pipes.
2491   sandbox::ResultCode result = policy->AddRule(
2492       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2493       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2494       L"\\\\.\\pipe\\chrome.nacl.*");
2495   if (result != sandbox::SBOX_ALL_OK) {
2496     *success = false;
2497     return;
2498   }
2499
2500   // Renderers need to send named pipe handles and shared memory
2501   // segment handles to NaCl loader processes.
2502   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2503                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2504                            L"File");
2505   if (result != sandbox::SBOX_ALL_OK) {
2506     *success = false;
2507     return;
2508   }
2509 }
2510 #endif
2511
2512 bool ChromeContentBrowserClient::CheckMediaAccessPermission(
2513     content::BrowserContext* browser_context,
2514     const GURL& security_origin,
2515     content::MediaStreamType type) {
2516   return MediaCaptureDevicesDispatcher::GetInstance()
2517       ->CheckMediaAccessPermission(
2518           browser_context, security_origin, type);
2519 }
2520
2521 content::DevToolsManagerDelegate*
2522 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2523 #if defined(OS_ANDROID)
2524   return new DevToolsManagerDelegateAndroid();
2525 #else
2526   return new ChromeDevToolsManagerDelegate();
2527 #endif
2528 }
2529
2530 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2531     content::BrowserContext* browser_context,
2532     const GURL& url) {
2533 #if defined(ENABLE_EXTENSIONS)
2534   Profile* profile = Profile::FromBrowserContext(browser_context);
2535   const extensions::ExtensionSet* extension_set = NULL;
2536   if (profile) {
2537     const ExtensionService* ext_service =
2538         extensions::ExtensionSystem::Get(profile)->extension_service();
2539     if (ext_service) {
2540       extension_set = ext_service->extensions();
2541     }
2542   }
2543   return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2544                                               allowed_file_handle_origins_) ||
2545          IsHostAllowedByCommandLine(url, extension_set,
2546                                     switches::kAllowNaClFileHandleAPI);
2547 #else
2548   return false;
2549 #endif
2550 }
2551
2552 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2553     content::BrowserContext* browser_context,
2554     const GURL& url) {
2555 #if defined(ENABLE_EXTENSIONS)
2556   // Allow access for tests.
2557   if (CommandLine::ForCurrentProcess()->HasSwitch(
2558           switches::kEnablePepperTesting)) {
2559     return true;
2560   }
2561
2562   Profile* profile = Profile::FromBrowserContext(browser_context);
2563   const extensions::ExtensionSet* extension_set = NULL;
2564   if (profile) {
2565     const ExtensionService* ext_service =
2566         extensions::ExtensionSystem::Get(profile)->extension_service();
2567     if (ext_service) {
2568       extension_set = ext_service->extensions();
2569     }
2570   }
2571
2572   // Allow access for whitelisted applications.
2573   if (IsExtensionOrSharedModuleWhitelisted(url,
2574                                            extension_set,
2575                                            allowed_dev_channel_origins_)) {
2576       return true;
2577   }
2578
2579   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
2580   // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
2581   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
2582   // Chromium builds as well.
2583   return channel <= chrome::VersionInfo::CHANNEL_DEV;
2584 #else
2585   return false;
2586 #endif
2587 }
2588
2589 net::CookieStore*
2590 ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2591     int render_process_id) {
2592   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2593   if (!prerender_tracker_)
2594     return NULL;
2595   return prerender_tracker_->GetPrerenderCookieStoreForRenderProcess(
2596                                  render_process_id).get();
2597 }
2598
2599 #if defined(ENABLE_WEBRTC)
2600 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2601     CommandLine* to_command_line,
2602     const CommandLine& from_command_line,
2603     VersionInfo::Channel channel) {
2604 #if defined(OS_ANDROID)
2605   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2606       VersionInfo::CHANNEL_BETA;
2607 #else
2608   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2609       VersionInfo::CHANNEL_DEV;
2610 #endif
2611   if (channel <= kMaxDisableEncryptionChannel) {
2612     static const char* const kWebRtcDevSwitchNames[] = {
2613       switches::kDisableWebRtcEncryption,
2614     };
2615     to_command_line->CopySwitchesFrom(from_command_line,
2616                                       kWebRtcDevSwitchNames,
2617                                       arraysize(kWebRtcDevSwitchNames));
2618   }
2619 }
2620 #endif  // defined(ENABLE_WEBRTC)
2621
2622 }  // namespace chrome