src/chrome/common/chrome_content_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/common/chrome_content_client.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/cpu.h"
   9 #include "base/debug/crash_logging.h"
  10 #include "base/file_util.h"
  11 #include "base/path_service.h"
  12 #include "base/strings/string16.h"
  13 #include "base/strings/string_number_conversions.h"
  14 #include "base/strings/string_split.h"
  15 #include "base/strings/string_util.h"
  16 #include "base/strings/stringprintf.h"
  17 #include "base/strings/utf_string_conversions.h"
  18 #include "build/build_config.h"
  19 #include "chrome/common/child_process_logging.h"
  20 #include "chrome/common/chrome_paths.h"
  21 #include "chrome/common/chrome_switches.h"
  22 #include "chrome/common/chrome_version_info.h"
  23 #include "chrome/common/crash_keys.h"
  24 #include "chrome/common/pepper_flash.h"
  25 #include "chrome/common/render_messages.h"
  26 #include "chrome/common/url_constants.h"
  27 #include "components/nacl/common/nacl_process_type.h"
  28 #include "content/public/common/content_constants.h"
  29 #include "content/public/common/content_switches.h"
  30 #include "content/public/common/pepper_plugin_info.h"
  31 #include "content/public/common/url_constants.h"
  32 #include "extensions/common/constants.h"
  33 #include "gpu/config/gpu_info.h"
  34 #include "grit/common_resources.h"
  35 #include "ppapi/shared_impl/ppapi_permissions.h"
  36 #include "ui/base/l10n/l10n_util.h"
  37 #include "ui/base/layout.h"
  38 #include "ui/base/resource/resource_bundle.h"
  39 #include "webkit/common/user_agent/user_agent_util.h"
  40
  41 #include "flapper_version.h"  // In SHARED_INTERMEDIATE_DIR.
  42 #include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR.
  43
  44 #if defined(OS_WIN)
  45 #include "base/win/registry.h"
  46 #include "base/win/windows_version.h"
  47 #elif defined(OS_MACOSX)
  48 #include "components/nacl/common/nacl_sandbox_type_mac.h"
  49 #endif
  50
  51 #if defined(ENABLE_REMOTING)
  52 #include "remoting/client/plugin/pepper_entrypoints.h"
  53 #endif
  54
  55 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS) && \
  56     !defined(WIDEVINE_CDM_IS_COMPONENT)
  57 #include "chrome/common/widevine_cdm_constants.h"
  58 #endif
  59
  60 namespace {
  61
  62 const char kPDFPluginMimeType[] = "application/pdf";
  63 const char kPDFPluginExtension[] = "pdf";
  64 const char kPDFPluginDescription[] = "Portable Document Format";
  65 const char kPDFPluginPrintPreviewMimeType
  66    [] = "application/x-google-chrome-print-preview-pdf";
  67 const uint32 kPDFPluginPermissions = ppapi::PERMISSION_PRIVATE |
  68                                      ppapi::PERMISSION_DEV;
  69
  70 const char kNaClPluginMimeType[] = "application/x-nacl";
  71 const char kNaClPluginExtension[] = "";
  72 const char kNaClPluginDescription[] = "Native Client Executable";
  73 const uint32 kNaClPluginPermissions = ppapi::PERMISSION_PRIVATE |
  74                                       ppapi::PERMISSION_DEV;
  75
  76 const char kPnaclPluginMimeType[] = "application/x-pnacl";
  77 const char kPnaclPluginExtension[] = "";
  78 const char kPnaclPluginDescription[] = "Portable Native Client Executable";
  79
  80 const char kO3DPluginName[] = "Google Talk Plugin Video Accelerator";
  81 const char kO3DPluginMimeType[] ="application/vnd.o3d.auto";
  82 const char kO3DPluginExtension[] = "";
  83 const char kO3DPluginDescription[] = "O3D MIME";
  84 const uint32 kO3DPluginPermissions = ppapi::PERMISSION_PRIVATE |
  85                                      ppapi::PERMISSION_DEV;
  86
  87 const char kO1DPluginName[] = "Google Talk Plugin Video Renderer";
  88 const char kO1DPluginMimeType[] ="application/o1d";
  89 const char kO1DPluginExtension[] = "";
  90 const char kO1DPluginDescription[] = "Google Talk Plugin Video Renderer";
  91 const uint32 kO1DPluginPermissions = ppapi::PERMISSION_PRIVATE |
  92                                      ppapi::PERMISSION_DEV;
  93
  94 const char kEffectsPluginName[] = "Google Talk Effects Plugin";
  95 const char kEffectsPluginMimeType[] ="application/x-ppapi-hangouts-effects";
  96 const char kEffectsPluginExtension[] = "";
  97 const char kEffectsPluginDescription[] = "Google Talk Effects Plugin";
  98 const uint32 kEffectsPluginPermissions = ppapi::PERMISSION_PRIVATE |
  99                                          ppapi::PERMISSION_DEV;
 100
 101 const char kGTalkPluginName[] = "Google Talk Plugin";
 102 const char kGTalkPluginMimeType[] ="application/googletalk";
 103 const char kGTalkPluginExtension[] = ".googletalk";
 104 const char kGTalkPluginDescription[] = "Google Talk Plugin";
 105 const uint32 kGTalkPluginPermissions = ppapi::PERMISSION_PRIVATE |
 106                                        ppapi::PERMISSION_DEV;
 107
 108 #if defined(ENABLE_REMOTING)
 109 #if defined(GOOGLE_CHROME_BUILD)
 110 const char kRemotingViewerPluginName[] = "Chrome Remote Desktop Viewer";
 111 #else
 112 const char kRemotingViewerPluginName[] = "Chromoting Viewer";
 113 #endif  // defined(GOOGLE_CHROME_BUILD)
 114 const char kRemotingViewerPluginDescription[] =
 115     "This plugin allows you to securely access other computers that have been "
 116     "shared with you. To use this plugin you must first install the "
 117     "<a href=\"https://chrome.google.com/remotedesktop\">"
 118     "Chrome Remote Desktop</a> webapp.";
 119 // Use a consistent MIME-type regardless of branding.
 120 const char kRemotingViewerPluginMimeType[] =
 121     "application/vnd.chromium.remoting-viewer";
 122 const char kRemotingViewerPluginMimeExtension[] = "";
 123 const char kRemotingViewerPluginMimeDescription[] = "";
 124 const uint32 kRemotingViewerPluginPermissions = ppapi::PERMISSION_PRIVATE |
 125                                                 ppapi::PERMISSION_DEV;
 126 #endif  // defined(ENABLE_REMOTING)
 127
 128 #if defined(OS_MACOSX) && !defined(OS_IOS)
 129 const char kInterposeLibraryPath[] =
 130     "@executable_path/../../../libplugin_carbon_interpose.dylib";
 131 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 132
 133 // Appends the known built-in plugins to the given vector. Some built-in
 134 // plugins are "internal" which means they are compiled into the Chrome binary,
 135 // and some are extra shared libraries distributed with the browser (these are
 136 // not marked internal, aside from being automatically registered, they're just
 137 // regular plugins).
 138 void ComputeBuiltInPlugins(std::vector<content::PepperPluginInfo>* plugins) {
 139   // PDF.
 140   //
 141   // Once we're sandboxed, we can't know if the PDF plugin is available or not;
 142   // but (on Linux) this function is always called once before we're sandboxed.
 143   // So the first time through test if the file is available and then skip the
 144   // check on subsequent calls if yes.
 145   static bool skip_pdf_file_check = false;
 146   base::FilePath path;
 147   if (PathService::Get(chrome::FILE_PDF_PLUGIN, &path)) {
 148     if (skip_pdf_file_check || base::PathExists(path)) {
 149       content::PepperPluginInfo pdf;
 150       pdf.path = path;
 151       pdf.name = chrome::ChromeContentClient::kPDFPluginName;
 152       content::WebPluginMimeType pdf_mime_type(kPDFPluginMimeType,
 153                                                kPDFPluginExtension,
 154                                                kPDFPluginDescription);
 155       content::WebPluginMimeType print_preview_pdf_mime_type(
 156           kPDFPluginPrintPreviewMimeType,
 157           kPDFPluginExtension,
 158           kPDFPluginDescription);
 159       pdf.mime_types.push_back(pdf_mime_type);
 160       pdf.mime_types.push_back(print_preview_pdf_mime_type);
 161       pdf.permissions = kPDFPluginPermissions;
 162       plugins->push_back(pdf);
 163
 164       skip_pdf_file_check = true;
 165     }
 166   }
 167
 168   // Handle Native Client just like the PDF plugin. This means that it is
 169   // enabled by default for the non-portable case.  This allows apps installed
 170   // from the Chrome Web Store to use NaCl even if the command line switch
 171   // isn't set.  For other uses of NaCl we check for the command line switch.
 172   // Specifically, Portable Native Client is only enabled by the command line
 173   // switch.
 174   static bool skip_nacl_file_check = false;
 175   if (PathService::Get(chrome::FILE_NACL_PLUGIN, &path)) {
 176     if (skip_nacl_file_check || base::PathExists(path)) {
 177       content::PepperPluginInfo nacl;
 178       nacl.path = path;
 179       nacl.name = chrome::ChromeContentClient::kNaClPluginName;
 180       content::WebPluginMimeType nacl_mime_type(kNaClPluginMimeType,
 181                                                 kNaClPluginExtension,
 182                                                 kNaClPluginDescription);
 183       nacl.mime_types.push_back(nacl_mime_type);
 184       if (!CommandLine::ForCurrentProcess()->HasSwitch(
 185               switches::kDisablePnacl)) {
 186         content::WebPluginMimeType pnacl_mime_type(kPnaclPluginMimeType,
 187                                                    kPnaclPluginExtension,
 188                                                    kPnaclPluginDescription);
 189         nacl.mime_types.push_back(pnacl_mime_type);
 190       }
 191       nacl.permissions = kNaClPluginPermissions;
 192       plugins->push_back(nacl);
 193
 194       skip_nacl_file_check = true;
 195     }
 196   }
 197
 198   // TODO(jhorwich|noahric): Remove o3d ppapi code once o3d is replaced
 199   // entirely with o1d.
 200   static bool skip_o3d_file_check = false;
 201   if (PathService::Get(chrome::FILE_O3D_PLUGIN, &path)) {
 202     if (skip_o3d_file_check || base::PathExists(path)) {
 203       content::PepperPluginInfo o3d;
 204       o3d.path = path;
 205       o3d.name = kO3DPluginName;
 206       o3d.is_out_of_process = true;
 207       o3d.is_sandboxed = false;
 208       o3d.permissions = kO3DPluginPermissions;
 209       content::WebPluginMimeType o3d_mime_type(kO3DPluginMimeType,
 210                                                kO3DPluginExtension,
 211                                                kO3DPluginDescription);
 212       o3d.mime_types.push_back(o3d_mime_type);
 213       plugins->push_back(o3d);
 214
 215       skip_o3d_file_check = true;
 216     }
 217   }
 218
 219   static bool skip_o1d_file_check = false;
 220   if (PathService::Get(chrome::FILE_O1D_PLUGIN, &path)) {
 221     if (skip_o1d_file_check || base::PathExists(path)) {
 222       content::PepperPluginInfo o1d;
 223       o1d.path = path;
 224       o1d.name = kO1DPluginName;
 225       o1d.is_out_of_process = true;
 226       o1d.is_sandboxed = false;
 227       o1d.permissions = kO1DPluginPermissions;
 228       content::WebPluginMimeType o1d_mime_type(kO1DPluginMimeType,
 229                                                kO1DPluginExtension,
 230                                                kO1DPluginDescription);
 231       o1d.mime_types.push_back(o1d_mime_type);
 232       plugins->push_back(o1d);
 233
 234       skip_o1d_file_check = true;
 235     }
 236   }
 237
 238   // TODO(vrk): Remove this when NaCl effects plugin replaces the ppapi effects
 239   // plugin.
 240   static bool skip_effects_file_check = false;
 241   if (PathService::Get(chrome::FILE_EFFECTS_PLUGIN, &path)) {
 242     if (skip_effects_file_check || base::PathExists(path)) {
 243       content::PepperPluginInfo effects;
 244       effects.path = path;
 245       effects.name = kEffectsPluginName;
 246       effects.is_out_of_process = true;
 247       effects.is_sandboxed = true;
 248       effects.permissions = kEffectsPluginPermissions;
 249       content::WebPluginMimeType effects_mime_type(kEffectsPluginMimeType,
 250                                                    kEffectsPluginExtension,
 251                                                    kEffectsPluginDescription);
 252       effects.mime_types.push_back(effects_mime_type);
 253       plugins->push_back(effects);
 254
 255       skip_effects_file_check = true;
 256     }
 257   }
 258
 259   static bool skip_gtalk_file_check = false;
 260   if (PathService::Get(chrome::FILE_GTALK_PLUGIN, &path)) {
 261     if (skip_gtalk_file_check || base::PathExists(path)) {
 262       content::PepperPluginInfo gtalk;
 263       gtalk.path = path;
 264       gtalk.name = kGTalkPluginName;
 265       gtalk.is_out_of_process = true;
 266       gtalk.is_sandboxed = false;
 267       gtalk.permissions = kGTalkPluginPermissions;
 268       content::WebPluginMimeType gtalk_mime_type(kGTalkPluginMimeType,
 269                                                  kGTalkPluginExtension,
 270                                                  kGTalkPluginDescription);
 271       gtalk.mime_types.push_back(gtalk_mime_type);
 272       plugins->push_back(gtalk);
 273
 274       skip_gtalk_file_check = true;
 275     }
 276   }
 277
 278 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS) && \
 279     !defined(WIDEVINE_CDM_IS_COMPONENT)
 280   static bool skip_widevine_cdm_file_check = false;
 281   if (PathService::Get(chrome::FILE_WIDEVINE_CDM_ADAPTER, &path)) {
 282     if (skip_widevine_cdm_file_check || base::PathExists(path)) {
 283       content::PepperPluginInfo widevine_cdm;
 284       widevine_cdm.is_out_of_process = true;
 285       widevine_cdm.path = path;
 286       widevine_cdm.name = kWidevineCdmDisplayName;
 287       widevine_cdm.description = kWidevineCdmDescription;
 288       widevine_cdm.version = WIDEVINE_CDM_VERSION_STRING;
 289       content::WebPluginMimeType widevine_cdm_mime_type(
 290           kWidevineCdmPluginMimeType,
 291           kWidevineCdmPluginExtension,
 292           kWidevineCdmPluginMimeTypeDescription);
 293
 294       // Add the supported codecs as if they came from the component manifest.
 295       std::vector<std::string> codecs;
 296       codecs.push_back(kCdmSupportedCodecVorbis);
 297       codecs.push_back(kCdmSupportedCodecVp8);
 298 #if defined(USE_PROPRIETARY_CODECS)
 299 // TODO(ddorwin): Rename these macros to reflect their real meaning: whether the
 300 // CDM Chrome was built [and shipped] with support these types.
 301 #if defined(WIDEVINE_CDM_AAC_SUPPORT_AVAILABLE)
 302       codecs.push_back(kCdmSupportedCodecAac);
 303 #endif
 304 #if defined(WIDEVINE_CDM_AVC1_SUPPORT_AVAILABLE)
 305       codecs.push_back(kCdmSupportedCodecAvc1);
 306 #endif
 307 #endif  // defined(USE_PROPRIETARY_CODECS)
 308       std::string codec_string =
 309           JoinString(codecs, kCdmSupportedCodecsValueDelimiter);
 310       widevine_cdm_mime_type.additional_param_names.push_back(
 311           base::ASCIIToUTF16(kCdmSupportedCodecsParamName));
 312       widevine_cdm_mime_type.additional_param_values.push_back(
 313           base::ASCIIToUTF16(codec_string));
 314
 315       widevine_cdm.mime_types.push_back(widevine_cdm_mime_type);
 316       widevine_cdm.permissions = kWidevineCdmPluginPermissions;
 317       plugins->push_back(widevine_cdm);
 318
 319       skip_widevine_cdm_file_check = true;
 320     }
 321   }
 322 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS) &&
 323         // !defined(WIDEVINE_CDM_IS_COMPONENT)
 324
 325   // The Remoting Viewer plugin is built-in.
 326 #if defined(ENABLE_REMOTING)
 327   content::PepperPluginInfo info;
 328   info.is_internal = true;
 329   info.is_out_of_process = true;
 330   info.name = kRemotingViewerPluginName;
 331   info.description = kRemotingViewerPluginDescription;
 332   info.path = base::FilePath::FromUTF8Unsafe(
 333       chrome::ChromeContentClient::kRemotingViewerPluginPath);
 334   content::WebPluginMimeType remoting_mime_type(
 335       kRemotingViewerPluginMimeType,
 336       kRemotingViewerPluginMimeExtension,
 337       kRemotingViewerPluginMimeDescription);
 338   info.mime_types.push_back(remoting_mime_type);
 339   info.internal_entry_points.get_interface = remoting::PPP_GetInterface;
 340   info.internal_entry_points.initialize_module =
 341       remoting::PPP_InitializeModule;
 342   info.internal_entry_points.shutdown_module = remoting::PPP_ShutdownModule;
 343   info.permissions = kRemotingViewerPluginPermissions;
 344
 345   plugins->push_back(info);
 346 #endif
 347 }
 348
 349 content::PepperPluginInfo CreatePepperFlashInfo(const base::FilePath& path,
 350                                                 const std::string& version) {
 351   content::PepperPluginInfo plugin;
 352
 353   // Flash being out of process is handled separately than general plugins
 354   // for testing purposes.
 355   plugin.is_out_of_process = !CommandLine::ForCurrentProcess()->HasSwitch(
 356       switches::kPpapiFlashInProcess);
 357   plugin.name = content::kFlashPluginName;
 358   plugin.path = path;
 359   plugin.permissions = kPepperFlashPermissions;
 360
 361   std::vector<std::string> flash_version_numbers;
 362   base::SplitString(version, '.', &flash_version_numbers);
 363   if (flash_version_numbers.size() < 1)
 364     flash_version_numbers.push_back("11");
 365   // |SplitString()| puts in an empty string given an empty string. :(
 366   else if (flash_version_numbers[0].empty())
 367     flash_version_numbers[0] = "11";
 368   if (flash_version_numbers.size() < 2)
 369     flash_version_numbers.push_back("2");
 370   if (flash_version_numbers.size() < 3)
 371     flash_version_numbers.push_back("999");
 372   if (flash_version_numbers.size() < 4)
 373     flash_version_numbers.push_back("999");
 374   // E.g., "Shockwave Flash 10.2 r154":
 375   plugin.description = plugin.name + " " + flash_version_numbers[0] + "." +
 376       flash_version_numbers[1] + " r" + flash_version_numbers[2];
 377   plugin.version = JoinString(flash_version_numbers, '.');
 378   content::WebPluginMimeType swf_mime_type(content::kFlashPluginSwfMimeType,
 379                                            content::kFlashPluginSwfExtension,
 380                                            content::kFlashPluginSwfDescription);
 381   plugin.mime_types.push_back(swf_mime_type);
 382   content::WebPluginMimeType spl_mime_type(content::kFlashPluginSplMimeType,
 383                                            content::kFlashPluginSplExtension,
 384                                            content::kFlashPluginSplDescription);
 385   plugin.mime_types.push_back(spl_mime_type);
 386
 387   return plugin;
 388 }
 389
 390 void AddPepperFlashFromCommandLine(
 391     std::vector<content::PepperPluginInfo>* plugins) {
 392   const CommandLine::StringType flash_path =
 393       CommandLine::ForCurrentProcess()->GetSwitchValueNative(
 394           switches::kPpapiFlashPath);
 395   if (flash_path.empty())
 396     return;
 397
 398   // Also get the version from the command-line. Should be something like 11.2
 399   // or 11.2.123.45.
 400   std::string flash_version =
 401       CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 402           switches::kPpapiFlashVersion);
 403
 404   plugins->push_back(
 405       CreatePepperFlashInfo(base::FilePath(flash_path), flash_version));
 406 }
 407
 408 bool GetBundledPepperFlash(content::PepperPluginInfo* plugin) {
 409 #if defined(FLAPPER_AVAILABLE)
 410   CommandLine* command_line = CommandLine::ForCurrentProcess();
 411
 412   // Ignore bundled Pepper Flash if there is Pepper Flash specified from the
 413   // command-line.
 414   if (command_line->HasSwitch(switches::kPpapiFlashPath))
 415     return false;
 416
 417   bool force_disable =
 418       command_line->HasSwitch(switches::kDisableBundledPpapiFlash);
 419   if (force_disable)
 420     return false;
 421
 422 // For Linux ia32, Flapper requires SSE2.
 423 #if defined(OS_LINUX) && defined(ARCH_CPU_X86)
 424   if (!base::CPU().has_sse2())
 425     return false;
 426 #endif  // ARCH_CPU_X86
 427
 428   base::FilePath flash_path;
 429   if (!PathService::Get(chrome::FILE_PEPPER_FLASH_PLUGIN, &flash_path))
 430     return false;
 431
 432   *plugin = CreatePepperFlashInfo(flash_path, FLAPPER_VERSION_STRING);
 433   return true;
 434 #else
 435   return false;
 436 #endif  // FLAPPER_AVAILABLE
 437 }
 438
 439 }  // namespace
 440
 441 namespace chrome {
 442
 443 void ChromeContentClient::SetActiveURL(const GURL& url) {
 444   base::debug::SetCrashKeyValue(crash_keys::kActiveURL,
 445                                 url.possibly_invalid_spec());
 446 }
 447
 448 void ChromeContentClient::SetGpuInfo(const gpu::GPUInfo& gpu_info) {
 449 #if !defined(OS_ANDROID)
 450   base::debug::SetCrashKeyValue(crash_keys::kGPUVendorID,
 451       base::StringPrintf("0x%04x", gpu_info.gpu.vendor_id));
 452   base::debug::SetCrashKeyValue(crash_keys::kGPUDeviceID,
 453       base::StringPrintf("0x%04x", gpu_info.gpu.device_id));
 454 #endif
 455   base::debug::SetCrashKeyValue(crash_keys::kGPUDriverVersion,
 456       gpu_info.driver_version);
 457   base::debug::SetCrashKeyValue(crash_keys::kGPUPixelShaderVersion,
 458       gpu_info.pixel_shader_version);
 459   base::debug::SetCrashKeyValue(crash_keys::kGPUVertexShaderVersion,
 460       gpu_info.vertex_shader_version);
 461 #if defined(OS_MACOSX)
 462   base::debug::SetCrashKeyValue(crash_keys::kGPUGLVersion, gpu_info.gl_version);
 463 #elif defined(OS_POSIX)
 464   base::debug::SetCrashKeyValue(crash_keys::kGPUVendor, gpu_info.gl_vendor);
 465   base::debug::SetCrashKeyValue(crash_keys::kGPURenderer, gpu_info.gl_renderer);
 466 #endif
 467 }
 468
 469 void ChromeContentClient::AddPepperPlugins(
 470     std::vector<content::PepperPluginInfo>* plugins) {
 471   ComputeBuiltInPlugins(plugins);
 472   AddPepperFlashFromCommandLine(plugins);
 473
 474   content::PepperPluginInfo plugin;
 475   if (GetBundledPepperFlash(&plugin))
 476     plugins->push_back(plugin);
 477 }
 478
 479 void ChromeContentClient::AddAdditionalSchemes(
 480     std::vector<std::string>* standard_schemes,
 481     std::vector<std::string>* savable_schemes) {
 482   standard_schemes->push_back(extensions::kExtensionScheme);
 483   savable_schemes->push_back(extensions::kExtensionScheme);
 484   standard_schemes->push_back(kExtensionResourceScheme);
 485   savable_schemes->push_back(kExtensionResourceScheme);
 486   standard_schemes->push_back(chrome::kChromeSearchScheme);
 487   savable_schemes->push_back(chrome::kChromeSearchScheme);
 488 #if defined(OS_CHROMEOS)
 489   standard_schemes->push_back(kCrosScheme);
 490 #endif
 491 }
 492
 493 bool ChromeContentClient::CanHandleWhileSwappedOut(
 494     const IPC::Message& msg) {
 495   // Any Chrome-specific messages (apart from those listed in
 496   // CanSendWhileSwappedOut) that must be handled by the browser when sent from
 497   // swapped out renderers.
 498   return false;
 499 }
 500
 501 std::string ChromeContentClient::GetProduct() const {
 502   chrome::VersionInfo version_info;
 503   return version_info.is_valid() ?
 504       version_info.ProductNameAndVersionForUserAgent() : std::string();
 505 }
 506
 507 std::string ChromeContentClient::GetUserAgent() const {
 508   std::string product = GetProduct();
 509 #if defined(OS_ANDROID)
 510   CommandLine* command_line = CommandLine::ForCurrentProcess();
 511   if (command_line->HasSwitch(switches::kUseMobileUserAgent))
 512     product += " Mobile";
 513 #endif
 514   return webkit_glue::BuildUserAgentFromProduct(product);
 515 }
 516
 517 string16 ChromeContentClient::GetLocalizedString(int message_id) const {
 518   return l10n_util::GetStringUTF16(message_id);
 519 }
 520
 521 base::StringPiece ChromeContentClient::GetDataResource(
 522     int resource_id,
 523     ui::ScaleFactor scale_factor) const {
 524   return ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
 525       resource_id, scale_factor);
 526 }
 527
 528 base::RefCountedStaticMemory* ChromeContentClient::GetDataResourceBytes(
 529     int resource_id) const {
 530   return ResourceBundle::GetSharedInstance().LoadDataResourceBytes(resource_id);
 531 }
 532
 533 gfx::Image& ChromeContentClient::GetNativeImageNamed(int resource_id) const {
 534   return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
 535 }
 536
 537 std::string ChromeContentClient::GetProcessTypeNameInEnglish(int type) {
 538   switch (type) {
 539     case PROCESS_TYPE_NACL_LOADER:
 540       return "Native Client module";
 541     case PROCESS_TYPE_NACL_BROKER:
 542       return "Native Client broker";
 543   }
 544
 545   DCHECK(false) << "Unknown child process type!";
 546   return "Unknown";
 547 }
 548
 549 #if defined(OS_MACOSX) && !defined(OS_IOS)
 550 bool ChromeContentClient::GetSandboxProfileForSandboxType(
 551     int sandbox_type,
 552     int* sandbox_profile_resource_id) const {
 553   DCHECK(sandbox_profile_resource_id);
 554   if (sandbox_type == NACL_SANDBOX_TYPE_NACL_LOADER) {
 555     *sandbox_profile_resource_id = IDR_NACL_SANDBOX_PROFILE;
 556     return true;
 557   }
 558   return false;
 559 }
 560
 561 std::string ChromeContentClient::GetCarbonInterposePath() const {
 562   return std::string(kInterposeLibraryPath);
 563 }
 564 #endif
 565
 566 }  // namespace chrome