4f434b906a4bfe1d348283f808c7ef81dfb21374
[platform/framework/web/crosswalk.git] / src / chrome / browser / profiles / profile_impl.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/profiles/profile_impl.h"
6
7 #include "base/bind.h"
8 #include "base/callback.h"
9 #include "base/command_line.h"
10 #include "base/compiler_specific.h"
11 #include "base/debug/trace_event.h"
12 #include "base/environment.h"
13 #include "base/file_util.h"
14 #include "base/files/file_path.h"
15 #include "base/memory/scoped_ptr.h"
16 #include "base/path_service.h"
17 #include "base/prefs/json_pref_store.h"
18 #include "base/prefs/scoped_user_pref_update.h"
19 #include "base/strings/string_number_conversions.h"
20 #include "base/strings/string_util.h"
21 #include "base/strings/stringprintf.h"
22 #include "base/strings/utf_string_conversions.h"
23 #include "base/synchronization/waitable_event.h"
24 #include "base/threading/sequenced_worker_pool.h"
25 #include "base/version.h"
26 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
27 #include "chrome/browser/autocomplete/shortcuts_backend.h"
28 #include "chrome/browser/background/background_contents_service_factory.h"
29 #include "chrome/browser/background/background_mode_manager.h"
30 #include "chrome/browser/bookmarks/bookmark_model.h"
31 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
32 #include "chrome/browser/browser_process.h"
33 #include "chrome/browser/chrome_notification_types.h"
34 #include "chrome/browser/content_settings/cookie_settings.h"
35 #include "chrome/browser/content_settings/host_content_settings_map.h"
36 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
37 #include "chrome/browser/dom_distiller/lazy_dom_distiller_service.h"
38 #include "chrome/browser/download/chrome_download_manager_delegate.h"
39 #include "chrome/browser/download/download_service.h"
40 #include "chrome/browser/download/download_service_factory.h"
41 #include "chrome/browser/extensions/extension_service.h"
42 #include "chrome/browser/extensions/extension_special_storage_policy.h"
43 #include "chrome/browser/geolocation/chrome_geolocation_permission_context.h"
44 #include "chrome/browser/geolocation/chrome_geolocation_permission_context_factory.h"
45 #include "chrome/browser/history/top_sites.h"
46 #include "chrome/browser/media/chrome_midi_permission_context.h"
47 #include "chrome/browser/media/chrome_midi_permission_context_factory.h"
48 #include "chrome/browser/metrics/metrics_service.h"
49 #include "chrome/browser/net/chrome_url_request_context.h"
50 #include "chrome/browser/net/net_pref_observer.h"
51 #include "chrome/browser/net/predictor.h"
52 #include "chrome/browser/net/pref_proxy_config_tracker.h"
53 #include "chrome/browser/net/proxy_service_factory.h"
54 #include "chrome/browser/net/ssl_config_service_manager.h"
55 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
56 #include "chrome/browser/plugins/plugin_prefs.h"
57 #include "chrome/browser/policy/profile_policy_connector.h"
58 #include "chrome/browser/policy/profile_policy_connector_factory.h"
59 #include "chrome/browser/prefs/browser_prefs.h"
60 #include "chrome/browser/prefs/chrome_pref_service_factory.h"
61 #include "chrome/browser/prefs/pref_service_syncable.h"
62 #include "chrome/browser/prerender/prerender_manager_factory.h"
63 #include "chrome/browser/profiles/bookmark_model_loaded_observer.h"
64 #include "chrome/browser/profiles/chrome_version_service.h"
65 #include "chrome/browser/profiles/gaia_info_update_service_factory.h"
66 #include "chrome/browser/profiles/profile_destroyer.h"
67 #include "chrome/browser/profiles/profile_info_cache.h"
68 #include "chrome/browser/profiles/profile_manager.h"
69 #include "chrome/browser/profiles/profile_metrics.h"
70 #include "chrome/browser/search_engines/template_url_fetcher.h"
71 #include "chrome/browser/sessions/session_service_factory.h"
72 #include "chrome/browser/ui/startup/startup_browser_creator.h"
73 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
74 #include "chrome/browser/webdata/web_data_service.h"
75 #include "chrome/common/chrome_constants.h"
76 #include "chrome/common/chrome_paths_internal.h"
77 #include "chrome/common/chrome_switches.h"
78 #include "chrome/common/chrome_version_info.h"
79 #include "chrome/common/net/url_fixer_upper.h"
80 #include "chrome/common/pref_names.h"
81 #include "chrome/common/url_constants.h"
82 #include "components/dom_distiller/content/dom_distiller_viewer_source.h"
83 #include "components/keyed_service/content/browser_context_dependency_manager.h"
84 #include "components/startup_metric_utils/startup_metric_utils.h"
85 #include "components/user_prefs/pref_registry_syncable.h"
86 #include "components/user_prefs/user_prefs.h"
87 #include "content/public/browser/browser_thread.h"
88 #include "content/public/browser/dom_storage_context.h"
89 #include "content/public/browser/host_zoom_map.h"
90 #include "content/public/browser/notification_service.h"
91 #include "content/public/browser/render_process_host.h"
92 #include "content/public/browser/storage_partition.h"
93 #include "content/public/browser/url_data_source.h"
94 #include "content/public/browser/user_metrics.h"
95 #include "content/public/common/content_constants.h"
96 #include "extensions/browser/extension_pref_store.h"
97 #include "extensions/browser/extension_pref_value_map.h"
98 #include "extensions/browser/extension_pref_value_map_factory.h"
99 #include "extensions/browser/extension_system.h"
100 #include "grit/chromium_strings.h"
101 #include "grit/generated_resources.h"
102 #include "ui/base/l10n/l10n_util.h"
103
104 #if defined(OS_ANDROID)
105 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
106 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
107 #endif  // defined(OS_ANDROID)
108
109 #if defined(ENABLE_CONFIGURATION_POLICY)
110 #include "chrome/browser/policy/schema_registry_service.h"
111 #include "chrome/browser/policy/schema_registry_service_factory.h"
112 #include "components/policy/core/browser/browser_policy_connector.h"
113 #if defined(OS_CHROMEOS)
114 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.h"
115 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.h"
116 #else
117 #include "chrome/browser/policy/cloud/user_cloud_policy_manager_factory.h"
118 #include "components/policy/core/common/cloud/user_cloud_policy_manager.h"
119 #endif
120 #endif
121
122 #if defined(ENABLE_MANAGED_USERS)
123 #include "chrome/browser/managed_mode/managed_user_settings_service.h"
124 #include "chrome/browser/managed_mode/managed_user_settings_service_factory.h"
125 #endif
126
127 #if defined(OS_CHROMEOS)
128 #include "chrome/browser/chromeos/locale_change_guard.h"
129 #include "chrome/browser/chromeos/login/user_manager.h"
130 #include "chrome/browser/chromeos/preferences.h"
131 #include "chrome/browser/chromeos/profiles/profile_helper.h"
132 #endif
133
134 using base::Time;
135 using base::TimeDelta;
136 using base::UserMetricsAction;
137 using content::BrowserThread;
138 using content::DownloadManagerDelegate;
139 using content::HostZoomMap;
140
141 namespace {
142
143 // Constrict us to a very specific platform and architecture to make sure
144 // ifdefs don't cause problems with the check.
145 #if defined(OS_LINUX) && defined(TOOLKIT_GTK) && defined(ARCH_CPU_X86_64) && \
146   !defined(_GLIBCXX_DEBUG)
147 // Make sure that the ProfileImpl doesn't grow. We're currently trying to drive
148 // the number of services that are included in ProfileImpl (instead of using
149 // BrowserContextKeyedServiceFactory) to zero.
150 //
151 // If you don't know about this effort, please read:
152 //   https://sites.google.com/a/chromium.org/dev/developers/design-documents/profile-architecture
153 //
154 // REVIEWERS: Do not let anyone increment this. We need to drive the number of
155 // raw accessed services down to zero. DO NOT LET PEOPLE REGRESS THIS UNLESS
156 // THE PATCH ITSELF IS MAKING PROGRESS ON PKSF REFACTORING.
157 COMPILE_ASSERT(sizeof(ProfileImpl) <= 744u, profile_impl_size_unexpected);
158 #endif
159
160 #if defined(ENABLE_SESSION_SERVICE)
161 // Delay, in milliseconds, before we explicitly create the SessionService.
162 static const int kCreateSessionServiceDelayMS = 500;
163 #endif
164
165 // Text content of README file created in each profile directory. Both %s
166 // placeholders must contain the product name. This is not localizable and hence
167 // not in resources.
168 static const char kReadmeText[] =
169     "%s settings and storage represent user-selected preferences and "
170     "information and MUST not be extracted, overwritten or modified except "
171     "through %s defined APIs.";
172
173 // Value written to prefs for EXIT_CRASHED and EXIT_SESSION_ENDED.
174 const char* const kPrefExitTypeCrashed = "Crashed";
175 const char* const kPrefExitTypeSessionEnded = "SessionEnded";
176
177 // Helper method needed because PostTask cannot currently take a Callback
178 // function with non-void return type.
179 void CreateDirectoryAndSignal(const base::FilePath& path,
180                               base::WaitableEvent* done_creating) {
181   DVLOG(1) << "Creating directory " << path.value();
182   base::CreateDirectory(path);
183   done_creating->Signal();
184 }
185
186 // Task that blocks the FILE thread until CreateDirectoryAndSignal() finishes on
187 // blocking I/O pool.
188 void BlockFileThreadOnDirectoryCreate(base::WaitableEvent* done_creating) {
189   done_creating->Wait();
190 }
191
192 // Initiates creation of profile directory on |sequenced_task_runner| and
193 // ensures that FILE thread is blocked until that operation finishes.
194 void CreateProfileDirectory(base::SequencedTaskRunner* sequenced_task_runner,
195                             const base::FilePath& path) {
196   base::WaitableEvent* done_creating = new base::WaitableEvent(false, false);
197   sequenced_task_runner->PostTask(FROM_HERE,
198                                   base::Bind(&CreateDirectoryAndSignal,
199                                              path,
200                                              done_creating));
201   // Block the FILE thread until directory is created on I/O pool to make sure
202   // that we don't attempt any operation until that part completes.
203   BrowserThread::PostTask(
204       BrowserThread::FILE, FROM_HERE,
205       base::Bind(&BlockFileThreadOnDirectoryCreate,
206                  base::Owned(done_creating)));
207 }
208
209 base::FilePath GetCachePath(const base::FilePath& base) {
210   return base.Append(chrome::kCacheDirname);
211 }
212
213 base::FilePath GetMediaCachePath(const base::FilePath& base) {
214   return base.Append(chrome::kMediaCacheDirname);
215 }
216
217 void EnsureReadmeFile(const base::FilePath& base) {
218   base::FilePath readme_path = base.Append(chrome::kReadmeFilename);
219   if (base::PathExists(readme_path))
220     return;
221   std::string product_name = l10n_util::GetStringUTF8(IDS_PRODUCT_NAME);
222   std::string readme_text = base::StringPrintf(
223       kReadmeText, product_name.c_str(), product_name.c_str());
224   if (base::WriteFile(readme_path, readme_text.data(), readme_text.size()) ==
225       -1) {
226     LOG(ERROR) << "Could not create README file.";
227   }
228 }
229
230 // Converts the kSessionExitedCleanly pref to the corresponding EXIT_TYPE.
231 Profile::ExitType SessionTypePrefValueToExitType(const std::string& value) {
232   if (value == kPrefExitTypeSessionEnded)
233     return Profile::EXIT_SESSION_ENDED;
234   if (value == kPrefExitTypeCrashed)
235     return Profile::EXIT_CRASHED;
236   return Profile::EXIT_NORMAL;
237 }
238
239 // Converts an ExitType into a string that is written to prefs.
240 std::string ExitTypeToSessionTypePrefValue(Profile::ExitType type) {
241   switch (type) {
242     case Profile::EXIT_NORMAL:
243         return ProfileImpl::kPrefExitTypeNormal;
244     case Profile::EXIT_SESSION_ENDED:
245       return kPrefExitTypeSessionEnded;
246     case Profile::EXIT_CRASHED:
247       return kPrefExitTypeCrashed;
248   }
249   NOTREACHED();
250   return std::string();
251 }
252
253 // Setup URLDataSource for the chrome-distiller:// scheme for the given
254 // |profile|.
255 void RegisterDomDistillerViewerSource(Profile* profile) {
256   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
257   if (command_line.HasSwitch(switches::kEnableDomDistiller)) {
258     dom_distiller::DomDistillerServiceFactory* dom_distiller_service_factory =
259         dom_distiller::DomDistillerServiceFactory::GetInstance();
260     // The LazyDomDistillerService deletes itself when the profile is destroyed.
261     dom_distiller::LazyDomDistillerService* lazy_service =
262         new dom_distiller::LazyDomDistillerService(
263             profile, dom_distiller_service_factory);
264     content::URLDataSource::Add(profile,
265                                 new dom_distiller::DomDistillerViewerSource(
266                                     lazy_service, chrome::kDomDistillerScheme));
267   }
268 }
269
270 }  // namespace
271
272 // static
273 Profile* Profile::CreateProfile(const base::FilePath& path,
274                                 Delegate* delegate,
275                                 CreateMode create_mode) {
276   TRACE_EVENT0("browser", "Profile::CreateProfile")
277   // Get sequenced task runner for making sure that file operations of
278   // this profile (defined by |path|) are executed in expected order
279   // (what was previously assured by the FILE thread).
280   scoped_refptr<base::SequencedTaskRunner> sequenced_task_runner =
281       JsonPrefStore::GetTaskRunnerForFile(path,
282                                           BrowserThread::GetBlockingPool());
283   if (create_mode == CREATE_MODE_ASYNCHRONOUS) {
284     DCHECK(delegate);
285     CreateProfileDirectory(sequenced_task_runner.get(), path);
286   } else if (create_mode == CREATE_MODE_SYNCHRONOUS) {
287     if (!base::PathExists(path)) {
288       // TODO(tc): http://b/1094718 Bad things happen if we can't write to the
289       // profile directory.  We should eventually be able to run in this
290       // situation.
291       if (!base::CreateDirectory(path))
292         return NULL;
293     }
294   } else {
295     NOTREACHED();
296   }
297
298   return new ProfileImpl(
299       path, delegate, create_mode, sequenced_task_runner.get());
300 }
301
302 // static
303 int ProfileImpl::create_readme_delay_ms = 60000;
304
305 // static
306 const char* const ProfileImpl::kPrefExitTypeNormal = "Normal";
307
308 // static
309 void ProfileImpl::RegisterProfilePrefs(
310     user_prefs::PrefRegistrySyncable* registry) {
311   registry->RegisterBooleanPref(
312       prefs::kSavingBrowserHistoryDisabled,
313       false,
314       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
315   registry->RegisterBooleanPref(
316       prefs::kAllowDeletingBrowserHistory,
317       true,
318       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
319   registry->RegisterBooleanPref(
320       prefs::kSigninAllowed,
321       true,
322       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
323   registry->RegisterBooleanPref(
324       prefs::kForceSafeSearch,
325       false,
326       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
327   registry->RegisterIntegerPref(
328       prefs::kProfileAvatarIndex,
329       -1,
330       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
331   registry->RegisterStringPref(prefs::kManagedUserId,
332                                std::string(),
333                                user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
334   registry->RegisterStringPref(prefs::kProfileName,
335                                std::string(),
336                                user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
337   registry->RegisterBooleanPref(
338       prefs::kProfileIsManaged,
339       false,
340       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
341   registry->RegisterStringPref(prefs::kHomePage,
342                                std::string(),
343                                user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
344 #if defined(ENABLE_PRINTING)
345   registry->RegisterBooleanPref(
346       prefs::kPrintingEnabled,
347       true,
348       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
349 #endif
350   registry->RegisterBooleanPref(
351       prefs::kPrintPreviewDisabled,
352 #if defined(GOOGLE_CHROME_BUILD)
353       false,
354 #else
355       true,
356 #endif
357       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
358   registry->RegisterBooleanPref(
359       prefs::kForceEphemeralProfiles,
360       false,
361       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
362
363   // Initialize the cache prefs.
364   registry->RegisterFilePathPref(
365       prefs::kDiskCacheDir,
366       base::FilePath(),
367       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
368   registry->RegisterIntegerPref(
369       prefs::kDiskCacheSize,
370       0,
371       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
372   registry->RegisterIntegerPref(
373       prefs::kMediaCacheSize,
374       0,
375       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
376
377   // Deprecated. Kept around for migration.
378   registry->RegisterBooleanPref(
379       prefs::kClearSiteDataOnExit,
380       false,
381       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
382 }
383
384 ProfileImpl::ProfileImpl(
385     const base::FilePath& path,
386     Delegate* delegate,
387     CreateMode create_mode,
388     base::SequencedTaskRunner* sequenced_task_runner)
389     : path_(path),
390       pref_registry_(new user_prefs::PrefRegistrySyncable),
391       io_data_(this),
392       host_content_settings_map_(NULL),
393       last_session_exit_type_(EXIT_NORMAL),
394       start_time_(Time::Now()),
395       delegate_(delegate),
396       predictor_(NULL) {
397   TRACE_EVENT0("browser", "ProfileImpl::ctor")
398   DCHECK(!path.empty()) << "Using an empty path will attempt to write " <<
399                             "profile files to the root directory!";
400
401 #if defined(ENABLE_SESSION_SERVICE)
402   create_session_service_timer_.Start(FROM_HERE,
403       TimeDelta::FromMilliseconds(kCreateSessionServiceDelayMS), this,
404       &ProfileImpl::EnsureSessionServiceCreated);
405 #endif
406
407   // Determine if prefetch is enabled for this profile.
408   // If not profile_manager is present, it means we are in a unittest.
409   const CommandLine* command_line = CommandLine::ForCurrentProcess();
410   predictor_ = chrome_browser_net::Predictor::CreatePredictor(
411       !command_line->HasSwitch(switches::kDisablePreconnect),
412       g_browser_process->profile_manager() == NULL);
413
414   // If we are creating the profile synchronously, then we should load the
415   // policy data immediately.
416   bool force_immediate_policy_load = (create_mode == CREATE_MODE_SYNCHRONOUS);
417 #if defined(ENABLE_CONFIGURATION_POLICY)
418   policy::BrowserPolicyConnector* connector =
419       g_browser_process->browser_policy_connector();
420   schema_registry_service_ =
421       policy::SchemaRegistryServiceFactory::CreateForContext(
422           this, connector->GetChromeSchema(), connector->GetSchemaRegistry());
423 #if defined(OS_CHROMEOS)
424   cloud_policy_manager_ =
425       policy::UserCloudPolicyManagerFactoryChromeOS::CreateForProfile(
426           this, force_immediate_policy_load, sequenced_task_runner);
427 #else
428   cloud_policy_manager_ =
429       policy::UserCloudPolicyManagerFactory::CreateForOriginalBrowserContext(
430           this,
431           force_immediate_policy_load,
432           sequenced_task_runner,
433           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
434           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
435 #endif
436 #endif
437   profile_policy_connector_ =
438       policy::ProfilePolicyConnectorFactory::CreateForProfile(
439           this, force_immediate_policy_load);
440
441   DCHECK(create_mode == CREATE_MODE_ASYNCHRONOUS ||
442          create_mode == CREATE_MODE_SYNCHRONOUS);
443   bool async_prefs = create_mode == CREATE_MODE_ASYNCHRONOUS;
444
445 #if defined(OS_CHROMEOS)
446   if (chromeos::ProfileHelper::IsSigninProfile(this))
447     chrome::RegisterLoginProfilePrefs(pref_registry_.get());
448   else
449 #endif
450   chrome::RegisterUserProfilePrefs(pref_registry_.get());
451
452   BrowserContextDependencyManager::GetInstance()->
453       RegisterProfilePrefsForServices(this, pref_registry_.get());
454
455   ManagedUserSettingsService* managed_user_settings = NULL;
456 #if defined(ENABLE_MANAGED_USERS)
457   managed_user_settings =
458       ManagedUserSettingsServiceFactory::GetForProfile(this);
459   managed_user_settings->Init(
460       path_, sequenced_task_runner, create_mode == CREATE_MODE_SYNCHRONOUS);
461 #endif
462
463   {
464     // On startup, preference loading is always synchronous so a scoped timer
465     // will work here.
466     startup_metric_utils::ScopedSlowStartupUMA
467         scoped_timer("Startup.SlowStartupPreferenceLoading");
468     prefs_ = chrome_prefs::CreateProfilePrefs(
469         path_,
470         sequenced_task_runner,
471         profile_policy_connector_->policy_service(),
472         managed_user_settings,
473         new ExtensionPrefStore(
474             ExtensionPrefValueMapFactory::GetForBrowserContext(this), false),
475         pref_registry_,
476         async_prefs).Pass();
477     // Register on BrowserContext.
478     user_prefs::UserPrefs::Set(this, prefs_.get());
479   }
480
481   startup_metric_utils::ScopedSlowStartupUMA
482       scoped_timer("Startup.SlowStartupFinalProfileInit");
483   if (async_prefs) {
484     // Wait for the notification that prefs has been loaded
485     // (successfully or not).  Note that we can use base::Unretained
486     // because the PrefService is owned by this class and lives on
487     // the same thread.
488     prefs_->AddPrefInitObserver(base::Bind(&ProfileImpl::OnPrefsLoaded,
489                                            base::Unretained(this)));
490   } else {
491     // Prefs were loaded synchronously so we can continue directly.
492     OnPrefsLoaded(true);
493   }
494 }
495
496 void ProfileImpl::DoFinalInit() {
497   TRACE_EVENT0("browser", "ProfileImpl::DoFinalInit")
498   PrefService* prefs = GetPrefs();
499   pref_change_registrar_.Init(prefs);
500   pref_change_registrar_.Add(
501       prefs::kGoogleServicesUsername,
502       base::Bind(&ProfileImpl::UpdateProfileUserNameCache,
503                  base::Unretained(this)));
504   pref_change_registrar_.Add(
505       prefs::kDefaultZoomLevel,
506       base::Bind(&ProfileImpl::OnDefaultZoomLevelChanged,
507                  base::Unretained(this)));
508   pref_change_registrar_.Add(
509       prefs::kProfileAvatarIndex,
510       base::Bind(&ProfileImpl::UpdateProfileAvatarCache,
511                  base::Unretained(this)));
512   pref_change_registrar_.Add(
513       prefs::kProfileName,
514       base::Bind(&ProfileImpl::UpdateProfileNameCache,
515                  base::Unretained(this)));
516   pref_change_registrar_.Add(
517       prefs::kForceEphemeralProfiles,
518       base::Bind(&ProfileImpl::UpdateProfileIsEphemeralCache,
519                  base::Unretained(this)));
520
521   // It would be nice to use PathService for fetching this directory, but
522   // the cache directory depends on the profile directory, which isn't available
523   // to PathService.
524   chrome::GetUserCacheDirectory(path_, &base_cache_path_);
525   // Always create the cache directory asynchronously.
526   scoped_refptr<base::SequencedTaskRunner> sequenced_task_runner =
527       JsonPrefStore::GetTaskRunnerForFile(base_cache_path_,
528                                           BrowserThread::GetBlockingPool());
529   CreateProfileDirectory(sequenced_task_runner.get(), base_cache_path_);
530
531   // Now that the profile is hooked up to receive pref change notifications to
532   // kGoogleServicesUsername, initialize components that depend on it to reflect
533   // the current value.
534   UpdateProfileUserNameCache();
535   UpdateProfileIsEphemeralCache();
536   GAIAInfoUpdateServiceFactory::GetForProfile(this);
537
538   PrefService* local_state = g_browser_process->local_state();
539   ssl_config_service_manager_.reset(
540       SSLConfigServiceManager::CreateDefaultManager(local_state));
541
542   // Initialize the BackgroundModeManager - this has to be done here before
543   // InitExtensions() is called because it relies on receiving notifications
544   // when extensions are loaded. BackgroundModeManager is not needed under
545   // ChromeOS because Chrome is always running, no need for special keep-alive
546   // or launch-on-startup support unless kKeepAliveForTest is set.
547   bool init_background_mode_manager = true;
548 #if defined(OS_CHROMEOS)
549   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kKeepAliveForTest))
550     init_background_mode_manager = false;
551 #endif
552   if (init_background_mode_manager) {
553     if (g_browser_process->background_mode_manager())
554       g_browser_process->background_mode_manager()->RegisterProfile(this);
555   }
556
557   base::FilePath cookie_path = GetPath();
558   cookie_path = cookie_path.Append(chrome::kCookieFilename);
559   base::FilePath server_bound_cert_path = GetPath();
560   server_bound_cert_path =
561       server_bound_cert_path.Append(chrome::kOBCertFilename);
562   base::FilePath cache_path = base_cache_path_;
563   int cache_max_size;
564   GetCacheParameters(false, &cache_path, &cache_max_size);
565   cache_path = GetCachePath(cache_path);
566
567   base::FilePath media_cache_path = base_cache_path_;
568   int media_cache_max_size;
569   GetCacheParameters(true, &media_cache_path, &media_cache_max_size);
570   media_cache_path = GetMediaCachePath(media_cache_path);
571
572   base::FilePath extensions_cookie_path = GetPath();
573   extensions_cookie_path =
574       extensions_cookie_path.Append(chrome::kExtensionsCookieFilename);
575
576   base::FilePath infinite_cache_path = GetPath();
577   infinite_cache_path =
578       infinite_cache_path.Append(FILE_PATH_LITERAL("Infinite Cache"));
579
580 #if defined(OS_ANDROID)
581   SessionStartupPref::Type startup_pref_type =
582       SessionStartupPref::GetDefaultStartupType();
583 #else
584   SessionStartupPref::Type startup_pref_type =
585       StartupBrowserCreator::GetSessionStartupPref(
586           *CommandLine::ForCurrentProcess(), this).type;
587 #endif
588   content::CookieStoreConfig::SessionCookieMode session_cookie_mode =
589       content::CookieStoreConfig::PERSISTANT_SESSION_COOKIES;
590   if (GetLastSessionExitType() == Profile::EXIT_CRASHED ||
591       startup_pref_type == SessionStartupPref::LAST) {
592     session_cookie_mode = content::CookieStoreConfig::RESTORED_SESSION_COOKIES;
593   }
594
595   InitHostZoomMap();
596
597   // Make sure we initialize the ProfileIOData after everything else has been
598   // initialized that we might be reading from the IO thread.
599
600   io_data_.Init(cookie_path, server_bound_cert_path, cache_path,
601                 cache_max_size, media_cache_path, media_cache_max_size,
602                 extensions_cookie_path, GetPath(), infinite_cache_path,
603                 predictor_,
604                 session_cookie_mode,
605                 GetSpecialStoragePolicy());
606
607 #if defined(ENABLE_PLUGINS)
608   ChromePluginServiceFilter::GetInstance()->RegisterResourceContext(
609       PluginPrefs::GetForProfile(this).get(),
610       io_data_.GetResourceContextNoInit());
611 #endif
612
613   // Delay README creation to not impact startup performance.
614   BrowserThread::PostDelayedTask(
615         BrowserThread::FILE, FROM_HERE,
616         base::Bind(&EnsureReadmeFile, GetPath()),
617         base::TimeDelta::FromMilliseconds(create_readme_delay_ms));
618
619   TRACE_EVENT0("browser", "ProfileImpl::SetSaveSessionStorageOnDisk");
620   content::BrowserContext::GetDefaultStoragePartition(this)->
621       GetDOMStorageContext()->SetSaveSessionStorageOnDisk();
622
623   // The DomDistillerViewerSource is not a normal WebUI so it must be registered
624   // as a URLDataSource early.
625   RegisterDomDistillerViewerSource(this);
626
627   // Creation has been finished.
628   if (delegate_) {
629     TRACE_EVENT0("browser", "ProfileImpl::DoFileInit:DelegateOnProfileCreated")
630     delegate_->OnProfileCreated(this, true, IsNewProfile());
631   }
632
633   content::NotificationService::current()->Notify(
634       chrome::NOTIFICATION_PROFILE_CREATED,
635       content::Source<Profile>(this),
636       content::NotificationService::NoDetails());
637
638 #if !defined(OS_CHROMEOS)
639   // Listen for bookmark model load, to bootstrap the sync service.
640   // On CrOS sync service will be initialized after sign in.
641   BookmarkModel* model = BookmarkModelFactory::GetForProfile(this);
642   model->AddObserver(new BookmarkModelLoadedObserver(this));
643 #endif
644 }
645
646 void ProfileImpl::InitHostZoomMap() {
647   HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
648   host_zoom_map->SetDefaultZoomLevel(
649       prefs_->GetDouble(prefs::kDefaultZoomLevel));
650
651   const base::DictionaryValue* host_zoom_dictionary =
652       prefs_->GetDictionary(prefs::kPerHostZoomLevels);
653   // Careful: The returned value could be NULL if the pref has never been set.
654   if (host_zoom_dictionary != NULL) {
655     for (base::DictionaryValue::Iterator i(*host_zoom_dictionary); !i.IsAtEnd();
656          i.Advance()) {
657       const std::string& host(i.key());
658       double zoom_level = 0;
659
660       bool success = i.value().GetAsDouble(&zoom_level);
661       DCHECK(success);
662       host_zoom_map->SetZoomLevelForHost(host, zoom_level);
663     }
664   }
665
666   zoom_subscription_ = host_zoom_map->AddZoomLevelChangedCallback(
667       base::Bind(&ProfileImpl::OnZoomLevelChanged, base::Unretained(this)));
668 }
669
670 base::FilePath ProfileImpl::last_selected_directory() {
671   return GetPrefs()->GetFilePath(prefs::kSelectFileLastDirectory);
672 }
673
674 void ProfileImpl::set_last_selected_directory(const base::FilePath& path) {
675   GetPrefs()->SetFilePath(prefs::kSelectFileLastDirectory, path);
676 }
677
678 ProfileImpl::~ProfileImpl() {
679   MaybeSendDestroyedNotification();
680
681   bool prefs_loaded = prefs_->GetInitializationStatus() !=
682       PrefService::INITIALIZATION_STATUS_WAITING;
683
684 #if defined(ENABLE_SESSION_SERVICE)
685   StopCreateSessionServiceTimer();
686 #endif
687
688   // Remove pref observers
689   pref_change_registrar_.RemoveAll();
690
691 #if defined(ENABLE_PLUGINS)
692   ChromePluginServiceFilter::GetInstance()->UnregisterResourceContext(
693       io_data_.GetResourceContextNoInit());
694 #endif
695
696   // Destroy OTR profile and its profile services first.
697   if (off_the_record_profile_) {
698     ProfileDestroyer::DestroyOffTheRecordProfileNow(
699         off_the_record_profile_.get());
700   } else {
701     ExtensionPrefValueMapFactory::GetForBrowserContext(this)->
702         ClearAllIncognitoSessionOnlyPreferences();
703   }
704
705   BrowserContextDependencyManager::GetInstance()->DestroyBrowserContextServices(
706       this);
707
708   if (top_sites_.get())
709     top_sites_->Shutdown();
710
711   if (pref_proxy_config_tracker_)
712     pref_proxy_config_tracker_->DetachFromPrefService();
713
714   if (host_content_settings_map_.get())
715     host_content_settings_map_->ShutdownOnUIThread();
716
717   // This causes the Preferences file to be written to disk.
718   if (prefs_loaded)
719     SetExitType(EXIT_NORMAL);
720 }
721
722 std::string ProfileImpl::GetProfileName() {
723   return GetPrefs()->GetString(prefs::kGoogleServicesUsername);
724 }
725
726 Profile::ProfileType ProfileImpl::GetProfileType() const {
727   return REGULAR_PROFILE;
728 }
729
730 base::FilePath ProfileImpl::GetPath() const {
731   return path_;
732 }
733
734 scoped_refptr<base::SequencedTaskRunner> ProfileImpl::GetIOTaskRunner() {
735   return JsonPrefStore::GetTaskRunnerForFile(
736       GetPath(), BrowserThread::GetBlockingPool());
737 }
738
739 bool ProfileImpl::IsOffTheRecord() const {
740   return false;
741 }
742
743 Profile* ProfileImpl::GetOffTheRecordProfile() {
744   if (!off_the_record_profile_) {
745     scoped_ptr<Profile> p(CreateOffTheRecordProfile());
746     off_the_record_profile_.swap(p);
747
748     content::NotificationService::current()->Notify(
749         chrome::NOTIFICATION_PROFILE_CREATED,
750         content::Source<Profile>(off_the_record_profile_.get()),
751         content::NotificationService::NoDetails());
752   }
753   return off_the_record_profile_.get();
754 }
755
756 void ProfileImpl::DestroyOffTheRecordProfile() {
757   off_the_record_profile_.reset();
758   ExtensionPrefValueMapFactory::GetForBrowserContext(this)->
759       ClearAllIncognitoSessionOnlyPreferences();
760 }
761
762 bool ProfileImpl::HasOffTheRecordProfile() {
763   return off_the_record_profile_.get() != NULL;
764 }
765
766 Profile* ProfileImpl::GetOriginalProfile() {
767   return this;
768 }
769
770 bool ProfileImpl::IsManaged() {
771   return !GetPrefs()->GetString(prefs::kManagedUserId).empty();
772 }
773
774 ExtensionService* ProfileImpl::GetExtensionService() {
775   return extensions::ExtensionSystem::Get(this)->extension_service();
776 }
777
778 ExtensionSpecialStoragePolicy*
779     ProfileImpl::GetExtensionSpecialStoragePolicy() {
780   if (!extension_special_storage_policy_.get()) {
781     TRACE_EVENT0("browser", "ProfileImpl::GetExtensionSpecialStoragePolicy")
782     extension_special_storage_policy_ = new ExtensionSpecialStoragePolicy(
783         CookieSettings::Factory::GetForProfile(this).get());
784   }
785   return extension_special_storage_policy_.get();
786 }
787
788 void ProfileImpl::OnPrefsLoaded(bool success) {
789   TRACE_EVENT0("browser", "ProfileImpl::OnPrefsLoaded")
790   if (!success) {
791     if (delegate_)
792       delegate_->OnProfileCreated(this, false, false);
793     return;
794   }
795
796   // TODO(mirandac): remove migration code after 6 months (crbug.com/69995).
797   if (g_browser_process->local_state())
798     chrome::MigrateBrowserPrefs(this, g_browser_process->local_state());
799   // TODO(ivankr): remove cleanup code eventually (crbug.com/165672).
800   chrome::MigrateUserPrefs(this);
801
802   // |kSessionExitType| was added after |kSessionExitedCleanly|. If the pref
803   // value is empty fallback to checking for |kSessionExitedCleanly|.
804   const std::string exit_type_pref_value(
805       prefs_->GetString(prefs::kSessionExitType));
806   if (exit_type_pref_value.empty()) {
807     last_session_exit_type_ =
808         prefs_->GetBoolean(prefs::kSessionExitedCleanly) ?
809           EXIT_NORMAL : EXIT_CRASHED;
810   } else {
811     last_session_exit_type_ =
812         SessionTypePrefValueToExitType(exit_type_pref_value);
813   }
814   // Mark the session as open.
815   prefs_->SetString(prefs::kSessionExitType, kPrefExitTypeCrashed);
816   // Force this to true in case we fallback and use it.
817   // TODO(sky): remove this in a couple of releases (m28ish).
818   prefs_->SetBoolean(prefs::kSessionExitedCleanly, true);
819
820   g_browser_process->profile_manager()->InitProfileUserPrefs(this);
821
822   BrowserContextDependencyManager::GetInstance()->CreateBrowserContextServices(
823       this);
824
825   DCHECK(!net_pref_observer_);
826   {
827     TRACE_EVENT0("browser", "ProfileImpl::OnPrefsLoaded:NetPrefObserver")
828     net_pref_observer_.reset(new NetPrefObserver(
829         prefs_.get(),
830         prerender::PrerenderManagerFactory::GetForProfile(this),
831         predictor_));
832   }
833
834   chrome_prefs::SchedulePrefsFilePathVerification(path_);
835
836   ChromeVersionService::OnProfileLoaded(prefs_.get(), IsNewProfile());
837   DoFinalInit();
838 }
839
840 bool ProfileImpl::WasCreatedByVersionOrLater(const std::string& version) {
841   Version profile_version(ChromeVersionService::GetVersion(prefs_.get()));
842   Version arg_version(version);
843   return (profile_version.CompareTo(arg_version) >= 0);
844 }
845
846 void ProfileImpl::SetExitType(ExitType exit_type) {
847 #if defined(OS_CHROMEOS)
848   if (chromeos::ProfileHelper::IsSigninProfile(this))
849     return;
850 #endif
851   if (!prefs_)
852     return;
853   ExitType current_exit_type = SessionTypePrefValueToExitType(
854       prefs_->GetString(prefs::kSessionExitType));
855   // This may be invoked multiple times during shutdown. Only persist the value
856   // first passed in (unless it's a reset to the crash state, which happens when
857   // foregrounding the app on mobile).
858   if (exit_type == EXIT_CRASHED || current_exit_type == EXIT_CRASHED) {
859     prefs_->SetString(prefs::kSessionExitType,
860                       ExitTypeToSessionTypePrefValue(exit_type));
861
862     // NOTE: If you change what thread this writes on, be sure and update
863     // chrome::SessionEnding().
864     prefs_->CommitPendingWrite();
865   }
866 }
867
868 Profile::ExitType ProfileImpl::GetLastSessionExitType() {
869   // last_session_exited_cleanly_ is set when the preferences are loaded. Force
870   // it to be set by asking for the prefs.
871   GetPrefs();
872   return last_session_exit_type_;
873 }
874
875 PrefService* ProfileImpl::GetPrefs() {
876   DCHECK(prefs_);  // Should explicitly be initialized.
877   return prefs_.get();
878 }
879
880 PrefService* ProfileImpl::GetOffTheRecordPrefs() {
881   DCHECK(prefs_);
882   if (!otr_prefs_) {
883     // The new ExtensionPrefStore is ref_counted and the new PrefService
884     // stores a reference so that we do not leak memory here.
885     otr_prefs_.reset(prefs_->CreateIncognitoPrefService(
886         new ExtensionPrefStore(
887             ExtensionPrefValueMapFactory::GetForBrowserContext(this), true)));
888   }
889   return otr_prefs_.get();
890 }
891
892 net::URLRequestContextGetter* ProfileImpl::CreateRequestContext(
893     content::ProtocolHandlerMap* protocol_handlers,
894     content::ProtocolHandlerScopedVector protocol_interceptors) {
895   return io_data_.CreateMainRequestContextGetter(
896       protocol_handlers,
897       protocol_interceptors.Pass(),
898       g_browser_process->local_state(),
899       g_browser_process->io_thread()).get();
900 }
901
902 net::URLRequestContextGetter* ProfileImpl::GetRequestContext() {
903   return GetDefaultStoragePartition(this)->GetURLRequestContext();
904 }
905
906 net::URLRequestContextGetter* ProfileImpl::GetRequestContextForRenderProcess(
907     int renderer_child_id) {
908   content::RenderProcessHost* rph = content::RenderProcessHost::FromID(
909       renderer_child_id);
910
911   return rph->GetStoragePartition()->GetURLRequestContext();
912 }
913
914 net::URLRequestContextGetter* ProfileImpl::GetMediaRequestContext() {
915   // Return the default media context.
916   return io_data_.GetMediaRequestContextGetter().get();
917 }
918
919 net::URLRequestContextGetter*
920 ProfileImpl::GetMediaRequestContextForRenderProcess(
921     int renderer_child_id) {
922   content::RenderProcessHost* rph = content::RenderProcessHost::FromID(
923       renderer_child_id);
924   content::StoragePartition* storage_partition = rph->GetStoragePartition();
925
926   return storage_partition->GetMediaURLRequestContext();
927 }
928
929 net::URLRequestContextGetter*
930 ProfileImpl::GetMediaRequestContextForStoragePartition(
931     const base::FilePath& partition_path,
932     bool in_memory) {
933   return io_data_
934       .GetIsolatedMediaRequestContextGetter(partition_path, in_memory).get();
935 }
936
937 void ProfileImpl::RequestMidiSysExPermission(
938       int render_process_id,
939       int render_view_id,
940       int bridge_id,
941       const GURL& requesting_frame,
942       bool user_gesture,
943       const MidiSysExPermissionCallback& callback) {
944   ChromeMidiPermissionContext* context =
945       ChromeMidiPermissionContextFactory::GetForProfile(this);
946   context->RequestMidiSysExPermission(render_process_id,
947                                       render_view_id,
948                                       bridge_id,
949                                       requesting_frame,
950                                       user_gesture,
951                                       callback);
952 }
953
954 void ProfileImpl::CancelMidiSysExPermissionRequest(
955     int render_process_id,
956     int render_view_id,
957     int bridge_id,
958     const GURL& requesting_frame) {
959   ChromeMidiPermissionContext* context =
960       ChromeMidiPermissionContextFactory::GetForProfile(this);
961   context->CancelMidiSysExPermissionRequest(
962       render_process_id, render_view_id, bridge_id, requesting_frame);
963 }
964
965 void ProfileImpl::RequestProtectedMediaIdentifierPermission(
966     int render_process_id,
967     int render_view_id,
968     int bridge_id,
969     int group_id,
970     const GURL& requesting_frame,
971     const ProtectedMediaIdentifierPermissionCallback& callback) {
972 #if defined(OS_ANDROID)
973   ProtectedMediaIdentifierPermissionContext* context =
974       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(this);
975   context->RequestProtectedMediaIdentifierPermission(render_process_id,
976                                                      render_view_id,
977                                                      bridge_id,
978                                                      group_id,
979                                                      requesting_frame,
980                                                      callback);
981 #else
982   NOTIMPLEMENTED();
983   callback.Run(false);
984 #endif  // defined(OS_ANDROID)
985 }
986
987 void ProfileImpl::CancelProtectedMediaIdentifierPermissionRequests(
988     int group_id) {
989 #if defined(OS_ANDROID)
990   ProtectedMediaIdentifierPermissionContext* context =
991       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(this);
992   context->CancelProtectedMediaIdentifierPermissionRequests(group_id);
993 #else
994   NOTIMPLEMENTED();
995 #endif  // defined(OS_ANDROID)
996 }
997
998 content::ResourceContext* ProfileImpl::GetResourceContext() {
999   return io_data_.GetResourceContext();
1000 }
1001
1002 net::URLRequestContextGetter* ProfileImpl::GetRequestContextForExtensions() {
1003   return io_data_.GetExtensionsRequestContextGetter().get();
1004 }
1005
1006 net::URLRequestContextGetter*
1007 ProfileImpl::CreateRequestContextForStoragePartition(
1008     const base::FilePath& partition_path,
1009     bool in_memory,
1010     content::ProtocolHandlerMap* protocol_handlers,
1011     content::ProtocolHandlerScopedVector protocol_interceptors) {
1012   return io_data_.CreateIsolatedAppRequestContextGetter(
1013       partition_path,
1014       in_memory,
1015       protocol_handlers,
1016       protocol_interceptors.Pass()).get();
1017 }
1018
1019 net::SSLConfigService* ProfileImpl::GetSSLConfigService() {
1020   // If ssl_config_service_manager_ is null, this typically means that some
1021   // KeyedService is trying to create a RequestContext at startup,
1022   // but SSLConfigServiceManager is not initialized until DoFinalInit() which is
1023   // invoked after all KeyedServices have been initialized (see
1024   // http://crbug.com/171406).
1025   DCHECK(ssl_config_service_manager_) <<
1026       "SSLConfigServiceManager is not initialized yet";
1027   return ssl_config_service_manager_->Get();
1028 }
1029
1030 HostContentSettingsMap* ProfileImpl::GetHostContentSettingsMap() {
1031   if (!host_content_settings_map_.get()) {
1032     host_content_settings_map_ = new HostContentSettingsMap(GetPrefs(), false);
1033   }
1034   return host_content_settings_map_.get();
1035 }
1036
1037 content::GeolocationPermissionContext*
1038     ProfileImpl::GetGeolocationPermissionContext() {
1039   return ChromeGeolocationPermissionContextFactory::GetForProfile(this);
1040 }
1041
1042 DownloadManagerDelegate* ProfileImpl::GetDownloadManagerDelegate() {
1043   return DownloadServiceFactory::GetForBrowserContext(this)->
1044       GetDownloadManagerDelegate();
1045 }
1046
1047 quota::SpecialStoragePolicy* ProfileImpl::GetSpecialStoragePolicy() {
1048   return GetExtensionSpecialStoragePolicy();
1049 }
1050
1051 bool ProfileImpl::IsSameProfile(Profile* profile) {
1052   if (profile == static_cast<Profile*>(this))
1053     return true;
1054   Profile* otr_profile = off_the_record_profile_.get();
1055   return otr_profile && profile == otr_profile;
1056 }
1057
1058 Time ProfileImpl::GetStartTime() const {
1059   return start_time_;
1060 }
1061
1062 history::TopSites* ProfileImpl::GetTopSites() {
1063   if (!top_sites_.get()) {
1064     top_sites_ = history::TopSites::Create(
1065         this, GetPath().Append(chrome::kTopSitesFilename));
1066   }
1067   return top_sites_.get();
1068 }
1069
1070 history::TopSites* ProfileImpl::GetTopSitesWithoutCreating() {
1071   return top_sites_.get();
1072 }
1073
1074 void ProfileImpl::OnDefaultZoomLevelChanged() {
1075   HostZoomMap::GetForBrowserContext(this)->SetDefaultZoomLevel(
1076       pref_change_registrar_.prefs()->GetDouble(prefs::kDefaultZoomLevel));
1077 }
1078
1079 void ProfileImpl::OnZoomLevelChanged(
1080     const HostZoomMap::ZoomLevelChange& change) {
1081
1082   if (change.mode != HostZoomMap::ZOOM_CHANGED_FOR_HOST)
1083     return;
1084   HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
1085   double level = change.zoom_level;
1086   DictionaryPrefUpdate update(prefs_.get(), prefs::kPerHostZoomLevels);
1087   base::DictionaryValue* host_zoom_dictionary = update.Get();
1088   if (level == host_zoom_map->GetDefaultZoomLevel()) {
1089     host_zoom_dictionary->RemoveWithoutPathExpansion(change.host, NULL);
1090   } else {
1091     host_zoom_dictionary->SetWithoutPathExpansion(
1092         change.host, base::Value::CreateDoubleValue(level));
1093   }
1094 }
1095
1096 #if defined(ENABLE_SESSION_SERVICE)
1097 void ProfileImpl::StopCreateSessionServiceTimer() {
1098   create_session_service_timer_.Stop();
1099 }
1100
1101 void ProfileImpl::EnsureSessionServiceCreated() {
1102   SessionServiceFactory::GetForProfile(this);
1103 }
1104 #endif
1105
1106 #if defined(OS_CHROMEOS)
1107 void ProfileImpl::ChangeAppLocale(
1108     const std::string& new_locale, AppLocaleChangedVia via) {
1109   if (new_locale.empty()) {
1110     NOTREACHED();
1111     return;
1112   }
1113   PrefService* local_state = g_browser_process->local_state();
1114   DCHECK(local_state);
1115   if (local_state->IsManagedPreference(prefs::kApplicationLocale))
1116     return;
1117   std::string pref_locale = GetPrefs()->GetString(prefs::kApplicationLocale);
1118   bool do_update_pref = true;
1119   switch (via) {
1120     case APP_LOCALE_CHANGED_VIA_SETTINGS:
1121     case APP_LOCALE_CHANGED_VIA_REVERT: {
1122       // We keep kApplicationLocaleBackup value as a reference.  In case value
1123       // of kApplicationLocale preference would change due to sync from other
1124       // device then kApplicationLocaleBackup value will trigger and allow us to
1125       // show notification about automatic locale change in LocaleChangeGuard.
1126       GetPrefs()->SetString(prefs::kApplicationLocaleBackup, new_locale);
1127       GetPrefs()->ClearPref(prefs::kApplicationLocaleAccepted);
1128       // We maintain kApplicationLocale property in both a global storage
1129       // and user's profile.  Global property determines locale of login screen,
1130       // while user's profile determines his personal locale preference.
1131       break;
1132     }
1133     case APP_LOCALE_CHANGED_VIA_LOGIN: {
1134       if (!pref_locale.empty()) {
1135         DCHECK(pref_locale == new_locale);
1136         std::string accepted_locale =
1137             GetPrefs()->GetString(prefs::kApplicationLocaleAccepted);
1138         if (accepted_locale == new_locale) {
1139           // If locale is accepted then we do not want to show LocaleChange
1140           // notification.  This notification is triggered by different values
1141           // of kApplicationLocaleBackup and kApplicationLocale preferences,
1142           // so make them identical.
1143           GetPrefs()->SetString(prefs::kApplicationLocaleBackup, new_locale);
1144         } else {
1145           // Back up locale of login screen.
1146           std::string cur_locale = g_browser_process->GetApplicationLocale();
1147           GetPrefs()->SetString(prefs::kApplicationLocaleBackup, cur_locale);
1148           if (locale_change_guard_ == NULL)
1149             locale_change_guard_.reset(new chromeos::LocaleChangeGuard(this));
1150           locale_change_guard_->PrepareChangingLocale(cur_locale, new_locale);
1151         }
1152       } else {
1153         std::string cur_locale = g_browser_process->GetApplicationLocale();
1154         std::string backup_locale =
1155             GetPrefs()->GetString(prefs::kApplicationLocaleBackup);
1156         // Profile synchronization takes time and is not completed at that
1157         // moment at first login.  So we initialize locale preference in steps:
1158         // (1) first save it to temporary backup;
1159         // (2) on next login we assume that synchronization is already completed
1160         //     and we may finalize initialization.
1161         GetPrefs()->SetString(prefs::kApplicationLocaleBackup, cur_locale);
1162         if (!new_locale.empty())
1163           GetPrefs()->SetString(prefs::kApplicationLocale, new_locale);
1164         else if (!backup_locale.empty())
1165           GetPrefs()->SetString(prefs::kApplicationLocale, backup_locale);
1166         do_update_pref = false;
1167       }
1168       break;
1169     }
1170     case APP_LOCALE_CHANGED_VIA_UNKNOWN:
1171     default: {
1172       NOTREACHED();
1173       break;
1174     }
1175   }
1176   if (do_update_pref)
1177     GetPrefs()->SetString(prefs::kApplicationLocale, new_locale);
1178   local_state->SetString(prefs::kApplicationLocale, new_locale);
1179
1180   if (chromeos::UserManager::Get()->GetOwnerEmail() ==
1181       chromeos::UserManager::Get()->GetUserByProfile(this)->email())
1182     local_state->SetString(prefs::kOwnerLocale, new_locale);
1183 }
1184
1185 void ProfileImpl::OnLogin() {
1186   if (locale_change_guard_ == NULL)
1187     locale_change_guard_.reset(new chromeos::LocaleChangeGuard(this));
1188   locale_change_guard_->OnLogin();
1189 }
1190
1191 void ProfileImpl::InitChromeOSPreferences() {
1192   chromeos_preferences_.reset(new chromeos::Preferences());
1193   chromeos_preferences_->Init(
1194       PrefServiceSyncable::FromProfile(this),
1195       chromeos::UserManager::Get()->GetUserByProfile(this));
1196 }
1197
1198 #endif  // defined(OS_CHROMEOS)
1199
1200 PrefProxyConfigTracker* ProfileImpl::GetProxyConfigTracker() {
1201   if (!pref_proxy_config_tracker_)
1202     pref_proxy_config_tracker_.reset(CreateProxyConfigTracker());
1203   return pref_proxy_config_tracker_.get();
1204 }
1205
1206 chrome_browser_net::Predictor* ProfileImpl::GetNetworkPredictor() {
1207   return predictor_;
1208 }
1209
1210 void ProfileImpl::ClearNetworkingHistorySince(base::Time time,
1211                                               const base::Closure& completion) {
1212   io_data_.ClearNetworkingHistorySince(time, completion);
1213 }
1214
1215 GURL ProfileImpl::GetHomePage() {
1216   // --homepage overrides any preferences.
1217   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
1218   if (command_line.HasSwitch(switches::kHomePage)) {
1219     // TODO(evanm): clean up usage of DIR_CURRENT.
1220     //   http://code.google.com/p/chromium/issues/detail?id=60630
1221     // For now, allow this code to call getcwd().
1222     base::ThreadRestrictions::ScopedAllowIO allow_io;
1223
1224     base::FilePath browser_directory;
1225     PathService::Get(base::DIR_CURRENT, &browser_directory);
1226     GURL home_page(URLFixerUpper::FixupRelativeFile(browser_directory,
1227         command_line.GetSwitchValuePath(switches::kHomePage)));
1228     if (home_page.is_valid())
1229       return home_page;
1230   }
1231
1232   if (GetPrefs()->GetBoolean(prefs::kHomePageIsNewTabPage))
1233     return GURL(chrome::kChromeUINewTabURL);
1234   GURL home_page(URLFixerUpper::FixupURL(
1235       GetPrefs()->GetString(prefs::kHomePage),
1236       std::string()));
1237   if (!home_page.is_valid())
1238     return GURL(chrome::kChromeUINewTabURL);
1239   return home_page;
1240 }
1241
1242 void ProfileImpl::UpdateProfileUserNameCache() {
1243   ProfileManager* profile_manager = g_browser_process->profile_manager();
1244   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1245   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1246   if (index != std::string::npos) {
1247     std::string user_name =
1248         GetPrefs()->GetString(prefs::kGoogleServicesUsername);
1249     cache.SetUserNameOfProfileAtIndex(index, base::UTF8ToUTF16(user_name));
1250     ProfileMetrics::UpdateReportedProfilesStatistics(profile_manager);
1251   }
1252 }
1253
1254 void ProfileImpl::UpdateProfileNameCache() {
1255   ProfileManager* profile_manager = g_browser_process->profile_manager();
1256   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1257   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1258   if (index != std::string::npos) {
1259     std::string profile_name =
1260         GetPrefs()->GetString(prefs::kProfileName);
1261     cache.SetNameOfProfileAtIndex(index, base::UTF8ToUTF16(profile_name));
1262   }
1263 }
1264
1265 void ProfileImpl::UpdateProfileAvatarCache() {
1266   ProfileManager* profile_manager = g_browser_process->profile_manager();
1267   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1268   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1269   if (index != std::string::npos) {
1270     size_t avatar_index =
1271         GetPrefs()->GetInteger(prefs::kProfileAvatarIndex);
1272     cache.SetAvatarIconOfProfileAtIndex(index, avatar_index);
1273   }
1274 }
1275
1276 void ProfileImpl::UpdateProfileIsEphemeralCache() {
1277   ProfileManager* profile_manager = g_browser_process->profile_manager();
1278   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1279   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1280   if (index != std::string::npos) {
1281     bool is_ephemeral = GetPrefs()->GetBoolean(prefs::kForceEphemeralProfiles);
1282     cache.SetProfileIsEphemeralAtIndex(index, is_ephemeral);
1283   }
1284 }
1285
1286 // Gets the cache parameters from the command line. If |is_media_context| is
1287 // set to true then settings for the media context type is what we need,
1288 // |cache_path| will be set to the user provided path, or will not be touched if
1289 // there is not an argument. |max_size| will be the user provided value or zero
1290 // by default.
1291 void ProfileImpl::GetCacheParameters(bool is_media_context,
1292                                      base::FilePath* cache_path,
1293                                      int* max_size) {
1294   DCHECK(cache_path);
1295   DCHECK(max_size);
1296   base::FilePath path(prefs_->GetFilePath(prefs::kDiskCacheDir));
1297   if (!path.empty())
1298     *cache_path = path;
1299   *max_size = is_media_context ? prefs_->GetInteger(prefs::kMediaCacheSize) :
1300                                  prefs_->GetInteger(prefs::kDiskCacheSize);
1301 }
1302
1303 PrefProxyConfigTracker* ProfileImpl::CreateProxyConfigTracker() {
1304 #if defined(OS_CHROMEOS)
1305   if (chromeos::ProfileHelper::IsSigninProfile(this)) {
1306     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
1307         g_browser_process->local_state());
1308   }
1309 #endif  // defined(OS_CHROMEOS)
1310   return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
1311       GetPrefs(), g_browser_process->local_state());
1312 }