chrome/browser/profiles/profile_impl_io_data.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_io_data.h"
   6
   7 #include "base/bind.h"
   8 #include "base/command_line.h"
   9 #include "base/logging.h"
  10 #include "base/metrics/field_trial.h"
  11 #include "base/prefs/pref_member.h"
  12 #include "base/prefs/pref_service.h"
  13 #include "base/sequenced_task_runner.h"
  14 #include "base/stl_util.h"
  15 #include "base/strings/string_util.h"
  16 #include "base/threading/sequenced_worker_pool.h"
  17 #include "base/threading/worker_pool.h"
  18 #include "chrome/browser/chrome_notification_types.h"
  19 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  20 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
  21 #include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
  22 #include "chrome/browser/extensions/extension_protocols.h"
  23 #include "chrome/browser/io_thread.h"
  24 #include "chrome/browser/net/chrome_net_log.h"
  25 #include "chrome/browser/net/chrome_network_delegate.h"
  26 #include "chrome/browser/net/connect_interceptor.h"
  27 #include "chrome/browser/net/cookie_store_util.h"
  28 #include "chrome/browser/net/http_server_properties_manager.h"
  29 #include "chrome/browser/net/predictor.h"
  30 #include "chrome/browser/net/sqlite_server_bound_cert_store.h"
  31 #include "chrome/browser/profiles/profile.h"
  32 #include "chrome/common/chrome_constants.h"
  33 #include "chrome/common/chrome_switches.h"
  34 #include "chrome/common/pref_names.h"
  35 #include "chrome/common/url_constants.h"
  36 #include "content/public/browser/browser_thread.h"
  37 #include "content/public/browser/cookie_store_factory.h"
  38 #include "content/public/browser/notification_service.h"
  39 #include "content/public/browser/resource_context.h"
  40 #include "content/public/browser/storage_partition.h"
  41 #include "extensions/common/constants.h"
  42 #include "net/base/cache_type.h"
  43 #include "net/ftp/ftp_network_layer.h"
  44 #include "net/http/http_cache.h"
  45 #include "net/ssl/server_bound_cert_service.h"
  46 #include "net/url_request/protocol_intercept_job_factory.h"
  47 #include "net/url_request/url_request_job_factory_impl.h"
  48 #include "webkit/browser/quota/special_storage_policy.h"
  49
  50 #if defined(OS_ANDROID) || defined(OS_IOS)
  51 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_settings.h"
  52 #endif
  53
  54 namespace {
  55
  56 net::BackendType ChooseCacheBackendType() {
  57   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
  58   if (command_line.HasSwitch(switches::kUseSimpleCacheBackend)) {
  59     const std::string opt_value =
  60         command_line.GetSwitchValueASCII(switches::kUseSimpleCacheBackend);
  61     if (LowerCaseEqualsASCII(opt_value, "off"))
  62       return net::CACHE_BACKEND_BLOCKFILE;
  63     if (opt_value == "" || LowerCaseEqualsASCII(opt_value, "on"))
  64       return net::CACHE_BACKEND_SIMPLE;
  65   }
  66   const std::string experiment_name =
  67       base::FieldTrialList::FindFullName("SimpleCacheTrial");
  68 #if defined(OS_ANDROID)
  69   if (experiment_name == "ExperimentNo" ||
  70       experiment_name == "ExperimentControl") {
  71     return net::CACHE_BACKEND_BLOCKFILE;
  72   }
  73   return net::CACHE_BACKEND_SIMPLE;
  74 #else
  75   if (experiment_name == "ExperimentYes" ||
  76       experiment_name == "ExperimentYes2") {
  77     return net::CACHE_BACKEND_SIMPLE;
  78   }
  79   return net::CACHE_BACKEND_BLOCKFILE;
  80 #endif
  81 }
  82
  83 }  // namespace
  84
  85 using content::BrowserThread;
  86
  87 ProfileImplIOData::Handle::Handle(Profile* profile)
  88     : io_data_(new ProfileImplIOData),
  89       profile_(profile),
  90       initialized_(false) {
  91   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  92   DCHECK(profile);
  93 }
  94
  95 ProfileImplIOData::Handle::~Handle() {
  96   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  97   if (io_data_->predictor_ != NULL) {
  98     // io_data_->predictor_ might be NULL if Init() was never called
  99     // (i.e. we shut down before ProfileImpl::DoFinalInit() got called).
 100     bool save_prefs = true;
 101 #if defined(OS_CHROMEOS)
 102     save_prefs = !chromeos::ProfileHelper::IsSigninProfile(profile_);
 103 #endif
 104     if (save_prefs) {
 105       io_data_->predictor_->SaveStateForNextStartupAndTrim(
 106           profile_->GetPrefs());
 107     }
 108     io_data_->predictor_->ShutdownOnUIThread();
 109   }
 110
 111   if (io_data_->http_server_properties_manager_)
 112     io_data_->http_server_properties_manager_->ShutdownOnUIThread();
 113   io_data_->ShutdownOnUIThread();
 114 }
 115
 116 void ProfileImplIOData::Handle::Init(
 117       const base::FilePath& cookie_path,
 118       const base::FilePath& server_bound_cert_path,
 119       const base::FilePath& cache_path,
 120       int cache_max_size,
 121       const base::FilePath& media_cache_path,
 122       int media_cache_max_size,
 123       const base::FilePath& extensions_cookie_path,
 124       const base::FilePath& profile_path,
 125       const base::FilePath& infinite_cache_path,
 126       chrome_browser_net::Predictor* predictor,
 127       content::CookieStoreConfig::SessionCookieMode session_cookie_mode,
 128       quota::SpecialStoragePolicy* special_storage_policy) {
 129   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 130   DCHECK(!io_data_->lazy_params_);
 131   DCHECK(predictor);
 132
 133   LazyParams* lazy_params = new LazyParams();
 134
 135   lazy_params->cookie_path = cookie_path;
 136   lazy_params->server_bound_cert_path = server_bound_cert_path;
 137   lazy_params->cache_path = cache_path;
 138   lazy_params->cache_max_size = cache_max_size;
 139   lazy_params->media_cache_path = media_cache_path;
 140   lazy_params->media_cache_max_size = media_cache_max_size;
 141   lazy_params->extensions_cookie_path = extensions_cookie_path;
 142   lazy_params->infinite_cache_path = infinite_cache_path;
 143   lazy_params->session_cookie_mode = session_cookie_mode;
 144   lazy_params->special_storage_policy = special_storage_policy;
 145
 146   io_data_->lazy_params_.reset(lazy_params);
 147
 148   // Keep track of profile path and cache sizes separately so we can use them
 149   // on demand when creating storage isolated URLRequestContextGetters.
 150   io_data_->profile_path_ = profile_path;
 151   io_data_->app_cache_max_size_ = cache_max_size;
 152   io_data_->app_media_cache_max_size_ = media_cache_max_size;
 153
 154   io_data_->predictor_.reset(predictor);
 155
 156   io_data_->InitializeMetricsEnabledStateOnUIThread();
 157 }
 158
 159 content::ResourceContext*
 160     ProfileImplIOData::Handle::GetResourceContext() const {
 161   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 162   LazyInitialize();
 163   return GetResourceContextNoInit();
 164 }
 165
 166 content::ResourceContext*
 167 ProfileImplIOData::Handle::GetResourceContextNoInit() const {
 168   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 169   // Don't call LazyInitialize here, since the resource context is created at
 170   // the beginning of initalization and is used by some members while they're
 171   // being initialized (i.e. AppCacheService).
 172   return io_data_->GetResourceContext();
 173 }
 174
 175 scoped_refptr<ChromeURLRequestContextGetter>
 176 ProfileImplIOData::Handle::CreateMainRequestContextGetter(
 177     content::ProtocolHandlerMap* protocol_handlers,
 178     PrefService* local_state,
 179     IOThread* io_thread) const {
 180   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 181   LazyInitialize();
 182   DCHECK(!main_request_context_getter_.get());
 183   main_request_context_getter_ = ChromeURLRequestContextGetter::Create(
 184       profile_, io_data_, protocol_handlers);
 185
 186   io_data_->predictor_
 187       ->InitNetworkPredictor(profile_->GetPrefs(),
 188                              local_state,
 189                              io_thread,
 190                              main_request_context_getter_.get());
 191
 192   content::NotificationService::current()->Notify(
 193       chrome::NOTIFICATION_PROFILE_URL_REQUEST_CONTEXT_GETTER_INITIALIZED,
 194       content::Source<Profile>(profile_),
 195       content::NotificationService::NoDetails());
 196   return main_request_context_getter_;
 197 }
 198
 199 scoped_refptr<ChromeURLRequestContextGetter>
 200 ProfileImplIOData::Handle::GetMediaRequestContextGetter() const {
 201   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 202   LazyInitialize();
 203   if (!media_request_context_getter_.get()) {
 204     media_request_context_getter_ =
 205         ChromeURLRequestContextGetter::CreateForMedia(profile_, io_data_);
 206   }
 207   return media_request_context_getter_;
 208 }
 209
 210 scoped_refptr<ChromeURLRequestContextGetter>
 211 ProfileImplIOData::Handle::GetExtensionsRequestContextGetter() const {
 212   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 213   LazyInitialize();
 214   if (!extensions_request_context_getter_.get()) {
 215     extensions_request_context_getter_ =
 216         ChromeURLRequestContextGetter::CreateForExtensions(profile_, io_data_);
 217   }
 218   return extensions_request_context_getter_;
 219 }
 220
 221 scoped_refptr<ChromeURLRequestContextGetter>
 222 ProfileImplIOData::Handle::CreateIsolatedAppRequestContextGetter(
 223     const base::FilePath& partition_path,
 224     bool in_memory,
 225     content::ProtocolHandlerMap* protocol_handlers) const {
 226   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 227   // Check that the partition_path is not the same as the base profile path. We
 228   // expect isolated partition, which will never go to the default profile path.
 229   CHECK(partition_path != profile_->GetPath());
 230   LazyInitialize();
 231
 232   // Keep a map of request context getters, one per requested storage partition.
 233   StoragePartitionDescriptor descriptor(partition_path, in_memory);
 234   ChromeURLRequestContextGetterMap::iterator iter =
 235       app_request_context_getter_map_.find(descriptor);
 236   if (iter != app_request_context_getter_map_.end())
 237     return iter->second;
 238
 239   scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 240       protocol_handler_interceptor(
 241           ProtocolHandlerRegistryFactory::GetForProfile(profile_)->
 242               CreateJobInterceptorFactory());
 243   ChromeURLRequestContextGetter* context =
 244       ChromeURLRequestContextGetter::CreateForIsolatedApp(
 245           profile_, io_data_, descriptor,
 246           protocol_handler_interceptor.Pass(),
 247           protocol_handlers);
 248   app_request_context_getter_map_[descriptor] = context;
 249
 250   return context;
 251 }
 252
 253 scoped_refptr<ChromeURLRequestContextGetter>
 254 ProfileImplIOData::Handle::GetIsolatedMediaRequestContextGetter(
 255     const base::FilePath& partition_path,
 256     bool in_memory) const {
 257   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 258   // We must have a non-default path, or this will act like the default media
 259   // context.
 260   CHECK(partition_path != profile_->GetPath());
 261   LazyInitialize();
 262
 263   // Keep a map of request context getters, one per requested storage partition.
 264   StoragePartitionDescriptor descriptor(partition_path, in_memory);
 265   ChromeURLRequestContextGetterMap::iterator iter =
 266       isolated_media_request_context_getter_map_.find(descriptor);
 267   if (iter != isolated_media_request_context_getter_map_.end())
 268     return iter->second;
 269
 270   // Get the app context as the starting point for the media context, so that
 271   // it uses the app's cookie store.
 272   ChromeURLRequestContextGetterMap::const_iterator app_iter =
 273       app_request_context_getter_map_.find(descriptor);
 274   DCHECK(app_iter != app_request_context_getter_map_.end());
 275   ChromeURLRequestContextGetter* app_context = app_iter->second.get();
 276   ChromeURLRequestContextGetter* context =
 277       ChromeURLRequestContextGetter::CreateForIsolatedMedia(
 278           profile_, app_context, io_data_, descriptor);
 279   isolated_media_request_context_getter_map_[descriptor] = context;
 280
 281   return context;
 282 }
 283
 284 void ProfileImplIOData::Handle::ClearNetworkingHistorySince(
 285     base::Time time,
 286     const base::Closure& completion) {
 287   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 288   LazyInitialize();
 289
 290   BrowserThread::PostTask(
 291       BrowserThread::IO, FROM_HERE,
 292       base::Bind(
 293           &ProfileImplIOData::ClearNetworkingHistorySinceOnIOThread,
 294           base::Unretained(io_data_),
 295           time,
 296           completion));
 297 }
 298
 299 void ProfileImplIOData::Handle::LazyInitialize() const {
 300   if (initialized_)
 301     return;
 302
 303   // Set initialized_ to true at the beginning in case any of the objects
 304   // below try to get the ResourceContext pointer.
 305   initialized_ = true;
 306   PrefService* pref_service = profile_->GetPrefs();
 307   io_data_->http_server_properties_manager_ =
 308       new chrome_browser_net::HttpServerPropertiesManager(pref_service);
 309   io_data_->set_http_server_properties(
 310       scoped_ptr<net::HttpServerProperties>(
 311           io_data_->http_server_properties_manager_));
 312   io_data_->session_startup_pref()->Init(
 313       prefs::kRestoreOnStartup, pref_service);
 314   io_data_->session_startup_pref()->MoveToThread(
 315       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
 316 #if defined(FULL_SAFE_BROWSING) || defined(MOBILE_SAFE_BROWSING)
 317   io_data_->safe_browsing_enabled()->Init(prefs::kSafeBrowsingEnabled,
 318       pref_service);
 319   io_data_->safe_browsing_enabled()->MoveToThread(
 320       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
 321 #endif
 322   io_data_->InitializeOnUIThread(profile_);
 323 }
 324
 325 ProfileImplIOData::LazyParams::LazyParams()
 326     : cache_max_size(0),
 327       media_cache_max_size(0),
 328       session_cookie_mode(
 329           content::CookieStoreConfig::EPHEMERAL_SESSION_COOKIES) {}
 330
 331 ProfileImplIOData::LazyParams::~LazyParams() {}
 332
 333 ProfileImplIOData::ProfileImplIOData()
 334     : ProfileIOData(false),
 335       http_server_properties_manager_(NULL),
 336       app_cache_max_size_(0),
 337       app_media_cache_max_size_(0) {
 338 }
 339
 340 ProfileImplIOData::~ProfileImplIOData() {
 341   DestroyResourceContext();
 342
 343   if (media_request_context_)
 344     media_request_context_->AssertNoURLRequests();
 345 }
 346
 347 void ProfileImplIOData::InitializeInternal(
 348     ProfileParams* profile_params,
 349     content::ProtocolHandlerMap* protocol_handlers) const {
 350   ChromeURLRequestContext* main_context = main_request_context();
 351
 352   IOThread* const io_thread = profile_params->io_thread;
 353   IOThread::Globals* const io_thread_globals = io_thread->globals();
 354
 355   network_delegate()->set_predictor(predictor_.get());
 356
 357   // Initialize context members.
 358
 359   ApplyProfileParamsToContext(main_context);
 360
 361   if (http_server_properties_manager_)
 362     http_server_properties_manager_->InitializeOnIOThread();
 363
 364   main_context->set_transport_security_state(transport_security_state());
 365
 366   main_context->set_net_log(io_thread->net_log());
 367
 368   main_context->set_network_delegate(network_delegate());
 369
 370   main_context->set_http_server_properties(http_server_properties());
 371
 372   main_context->set_host_resolver(
 373       io_thread_globals->host_resolver.get());
 374   main_context->set_cert_transparency_verifier(
 375       io_thread_globals->cert_transparency_verifier.get());
 376   main_context->set_http_auth_handler_factory(
 377       io_thread_globals->http_auth_handler_factory.get());
 378
 379   main_context->set_fraudulent_certificate_reporter(
 380       fraudulent_certificate_reporter());
 381
 382   main_context->set_throttler_manager(
 383       io_thread_globals->throttler_manager.get());
 384
 385   main_context->set_proxy_service(proxy_service());
 386
 387   scoped_refptr<net::CookieStore> cookie_store = NULL;
 388   net::ServerBoundCertService* server_bound_cert_service = NULL;
 389   if (chrome_browser_net::ShouldUseInMemoryCookiesAndCache()) {
 390     // Don't use existing cookies and use an in-memory store.
 391     using content::CookieStoreConfig;
 392     cookie_store = content::CreateCookieStore(CookieStoreConfig(
 393         base::FilePath(),
 394         CookieStoreConfig::EPHEMERAL_SESSION_COOKIES,
 395         NULL,
 396         profile_params->cookie_monster_delegate.get()));
 397     // Don't use existing server-bound certs and use an in-memory store.
 398     server_bound_cert_service = new net::ServerBoundCertService(
 399         new net::DefaultServerBoundCertStore(NULL),
 400         base::WorkerPool::GetTaskRunner(true));
 401   }
 402
 403
 404   // setup cookie store
 405   if (!cookie_store.get()) {
 406     DCHECK(!lazy_params_->cookie_path.empty());
 407
 408     content::CookieStoreConfig cookie_config(
 409         lazy_params_->cookie_path,
 410         lazy_params_->session_cookie_mode,
 411         lazy_params_->special_storage_policy.get(),
 412         profile_params->cookie_monster_delegate.get());
 413     cookie_config.crypto_delegate =
 414       chrome_browser_net::GetCookieCryptoDelegate();
 415     cookie_store = content::CreateCookieStore(cookie_config);
 416   }
 417
 418   main_context->set_cookie_store(cookie_store.get());
 419
 420   // Setup server bound cert service.
 421   if (!server_bound_cert_service) {
 422     DCHECK(!lazy_params_->server_bound_cert_path.empty());
 423
 424     scoped_refptr<SQLiteServerBoundCertStore> server_bound_cert_db =
 425         new SQLiteServerBoundCertStore(
 426             lazy_params_->server_bound_cert_path,
 427             BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
 428                 BrowserThread::GetBlockingPool()->GetSequenceToken()),
 429             lazy_params_->special_storage_policy.get());
 430     server_bound_cert_service = new net::ServerBoundCertService(
 431         new net::DefaultServerBoundCertStore(server_bound_cert_db.get()),
 432         base::WorkerPool::GetTaskRunner(true));
 433   }
 434
 435   set_server_bound_cert_service(server_bound_cert_service);
 436   main_context->set_server_bound_cert_service(server_bound_cert_service);
 437
 438   net::HttpCache::DefaultBackend* main_backend =
 439       new net::HttpCache::DefaultBackend(
 440           net::DISK_CACHE,
 441           ChooseCacheBackendType(),
 442           lazy_params_->cache_path,
 443           lazy_params_->cache_max_size,
 444           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE)
 445               .get());
 446   net::HttpNetworkSession::Params network_session_params;
 447   PopulateNetworkSessionParams(profile_params, &network_session_params);
 448   net::HttpCache* main_cache = new net::HttpCache(
 449       network_session_params, main_backend);
 450   main_cache->InitializeInfiniteCache(lazy_params_->infinite_cache_path);
 451
 452 #if defined(OS_ANDROID) || defined(OS_IOS)
 453   DataReductionProxySettings::InitDataReductionProxySession(
 454       main_cache->GetSession());
 455 #endif
 456
 457   if (chrome_browser_net::ShouldUseInMemoryCookiesAndCache()) {
 458     main_cache->set_mode(
 459         chrome_browser_net::IsCookieRecordMode() ?
 460         net::HttpCache::RECORD : net::HttpCache::PLAYBACK);
 461   }
 462
 463   main_http_factory_.reset(main_cache);
 464   main_context->set_http_transaction_factory(main_cache);
 465
 466 #if !defined(DISABLE_FTP_SUPPORT)
 467   ftp_factory_.reset(
 468       new net::FtpNetworkLayer(io_thread_globals->host_resolver.get()));
 469 #endif  // !defined(DISABLE_FTP_SUPPORT)
 470
 471   scoped_ptr<net::URLRequestJobFactoryImpl> main_job_factory(
 472       new net::URLRequestJobFactoryImpl());
 473   InstallProtocolHandlers(main_job_factory.get(), protocol_handlers);
 474   main_job_factory_ = SetUpJobFactoryDefaults(
 475       main_job_factory.Pass(),
 476       profile_params->protocol_handler_interceptor.Pass(),
 477       network_delegate(),
 478       ftp_factory_.get());
 479   main_context->set_job_factory(main_job_factory_.get());
 480
 481 #if defined(ENABLE_EXTENSIONS)
 482   InitializeExtensionsRequestContext(profile_params);
 483 #endif
 484
 485   // Create a media request context based on the main context, but using a
 486   // media cache.  It shares the same job factory as the main context.
 487   StoragePartitionDescriptor details(profile_path_, false);
 488   media_request_context_.reset(InitializeMediaRequestContext(main_context,
 489                                                              details));
 490
 491   lazy_params_.reset();
 492 }
 493
 494 void ProfileImplIOData::
 495     InitializeExtensionsRequestContext(ProfileParams* profile_params) const {
 496   ChromeURLRequestContext* extensions_context = extensions_request_context();
 497   IOThread* const io_thread = profile_params->io_thread;
 498   IOThread::Globals* const io_thread_globals = io_thread->globals();
 499   ApplyProfileParamsToContext(extensions_context);
 500
 501   extensions_context->set_transport_security_state(transport_security_state());
 502
 503   extensions_context->set_net_log(io_thread->net_log());
 504
 505   extensions_context->set_throttler_manager(
 506       io_thread_globals->throttler_manager.get());
 507
 508   content::CookieStoreConfig cookie_config(
 509       lazy_params_->extensions_cookie_path,
 510       lazy_params_->session_cookie_mode,
 511       NULL, NULL);
 512   cookie_config.crypto_delegate =
 513       chrome_browser_net::GetCookieCryptoDelegate();
 514   net::CookieStore* extensions_cookie_store =
 515       content::CreateCookieStore(cookie_config);
 516   // Enable cookies for devtools and extension URLs.
 517   const char* schemes[] = {chrome::kChromeDevToolsScheme,
 518                            extensions::kExtensionScheme};
 519   extensions_cookie_store->GetCookieMonster()->SetCookieableSchemes(schemes, 2);
 520   extensions_context->set_cookie_store(extensions_cookie_store);
 521
 522   scoped_ptr<net::URLRequestJobFactoryImpl> extensions_job_factory(
 523       new net::URLRequestJobFactoryImpl());
 524   // TODO(shalev): The extensions_job_factory has a NULL NetworkDelegate.
 525   // Without a network_delegate, this protocol handler will never
 526   // handle file: requests, but as a side effect it makes
 527   // job_factory::IsHandledProtocol return true, which prevents attempts to
 528   // handle the protocol externally. We pass NULL in to
 529   // SetUpJobFactory() to get this effect.
 530   extensions_job_factory_ = SetUpJobFactoryDefaults(
 531       extensions_job_factory.Pass(),
 532       scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>(),
 533       NULL,
 534       ftp_factory_.get());
 535   extensions_context->set_job_factory(extensions_job_factory_.get());
 536 }
 537
 538 ChromeURLRequestContext*
 539 ProfileImplIOData::InitializeAppRequestContext(
 540     ChromeURLRequestContext* main_context,
 541     const StoragePartitionDescriptor& partition_descriptor,
 542     scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 543         protocol_handler_interceptor,
 544     content::ProtocolHandlerMap* protocol_handlers) const {
 545   // Copy most state from the main context.
 546   AppRequestContext* context = new AppRequestContext();
 547   context->CopyFrom(main_context);
 548
 549   base::FilePath cookie_path = partition_descriptor.path.Append(
 550       chrome::kCookieFilename);
 551   base::FilePath cache_path =
 552       partition_descriptor.path.Append(chrome::kCacheDirname);
 553
 554   // Use a separate HTTP disk cache for isolated apps.
 555   net::HttpCache::BackendFactory* app_backend = NULL;
 556   if (partition_descriptor.in_memory) {
 557     app_backend = net::HttpCache::DefaultBackend::InMemory(0);
 558   } else {
 559     app_backend = new net::HttpCache::DefaultBackend(
 560         net::DISK_CACHE,
 561         ChooseCacheBackendType(),
 562         cache_path,
 563         app_cache_max_size_,
 564         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE)
 565             .get());
 566   }
 567   net::HttpNetworkSession* main_network_session =
 568       main_http_factory_->GetSession();
 569   net::HttpCache* app_http_cache =
 570       new net::HttpCache(main_network_session, app_backend);
 571
 572   scoped_refptr<net::CookieStore> cookie_store = NULL;
 573   if (partition_descriptor.in_memory) {
 574     cookie_store = content::CreateCookieStore(content::CookieStoreConfig());
 575   } else if (chrome_browser_net::ShouldUseInMemoryCookiesAndCache()) {
 576     // Don't use existing cookies and use an in-memory store.
 577     // TODO(creis): We should have a cookie delegate for notifying the cookie
 578     // extensions API, but we need to update it to understand isolated apps
 579     // first.
 580     cookie_store = content::CreateCookieStore(content::CookieStoreConfig());
 581     app_http_cache->set_mode(
 582         chrome_browser_net::IsCookieRecordMode() ?
 583         net::HttpCache::RECORD : net::HttpCache::PLAYBACK);
 584   }
 585
 586   // Use an app-specific cookie store.
 587   if (!cookie_store.get()) {
 588     DCHECK(!cookie_path.empty());
 589
 590     // TODO(creis): We should have a cookie delegate for notifying the cookie
 591     // extensions API, but we need to update it to understand isolated apps
 592     // first.
 593     content::CookieStoreConfig cookie_config(
 594         cookie_path,
 595         content::CookieStoreConfig::EPHEMERAL_SESSION_COOKIES,
 596         NULL, NULL);
 597     cookie_config.crypto_delegate =
 598       chrome_browser_net::GetCookieCryptoDelegate();
 599     cookie_store = content::CreateCookieStore(cookie_config);
 600   }
 601
 602   // Transfer ownership of the cookies and cache to AppRequestContext.
 603   context->SetCookieStore(cookie_store.get());
 604   context->SetHttpTransactionFactory(
 605       scoped_ptr<net::HttpTransactionFactory>(app_http_cache));
 606
 607   scoped_ptr<net::URLRequestJobFactoryImpl> job_factory(
 608       new net::URLRequestJobFactoryImpl());
 609   InstallProtocolHandlers(job_factory.get(), protocol_handlers);
 610   scoped_ptr<net::URLRequestJobFactory> top_job_factory(
 611       SetUpJobFactoryDefaults(
 612           job_factory.Pass(), protocol_handler_interceptor.Pass(),
 613           network_delegate(),
 614           ftp_factory_.get()));
 615   context->SetJobFactory(top_job_factory.Pass());
 616
 617   return context;
 618 }
 619
 620 ChromeURLRequestContext*
 621 ProfileImplIOData::InitializeMediaRequestContext(
 622     ChromeURLRequestContext* original_context,
 623     const StoragePartitionDescriptor& partition_descriptor) const {
 624   // Copy most state from the original context.
 625   MediaRequestContext* context = new MediaRequestContext();
 626   context->CopyFrom(original_context);
 627
 628   // For in-memory context, return immediately after creating the new
 629   // context before attaching a separate cache. It is important to return
 630   // a new context rather than just reusing |original_context| because
 631   // the caller expects to take ownership of the pointer.
 632   if (partition_descriptor.in_memory)
 633     return context;
 634
 635   using content::StoragePartition;
 636   base::FilePath cache_path;
 637   int cache_max_size = app_media_cache_max_size_;
 638   if (partition_descriptor.path == profile_path_) {
 639     // lazy_params_ is only valid for the default media context creation.
 640     cache_path = lazy_params_->media_cache_path;
 641     cache_max_size = lazy_params_->media_cache_max_size;
 642   } else {
 643     cache_path = partition_descriptor.path.Append(chrome::kMediaCacheDirname);
 644   }
 645
 646   // Use a separate HTTP disk cache for isolated apps.
 647   net::HttpCache::BackendFactory* media_backend =
 648       new net::HttpCache::DefaultBackend(
 649           net::MEDIA_CACHE,
 650           ChooseCacheBackendType(),
 651           cache_path,
 652           cache_max_size,
 653           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE)
 654               .get());
 655   net::HttpNetworkSession* main_network_session =
 656       main_http_factory_->GetSession();
 657   scoped_ptr<net::HttpTransactionFactory> media_http_cache(
 658       new net::HttpCache(main_network_session, media_backend));
 659
 660   // Transfer ownership of the cache to MediaRequestContext.
 661   context->SetHttpTransactionFactory(media_http_cache.Pass());
 662
 663   // Note that we do not create a new URLRequestJobFactory because
 664   // the media context should behave exactly like its parent context
 665   // in all respects except for cache behavior on media subresources.
 666   // The CopyFrom() step above means that our media context will use
 667   // the same URLRequestJobFactory instance that our parent context does.
 668
 669   return context;
 670 }
 671
 672 ChromeURLRequestContext*
 673 ProfileImplIOData::AcquireMediaRequestContext() const {
 674   DCHECK(media_request_context_);
 675   return media_request_context_.get();
 676 }
 677
 678 ChromeURLRequestContext*
 679 ProfileImplIOData::AcquireIsolatedAppRequestContext(
 680     ChromeURLRequestContext* main_context,
 681     const StoragePartitionDescriptor& partition_descriptor,
 682     scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 683         protocol_handler_interceptor,
 684     content::ProtocolHandlerMap* protocol_handlers) const {
 685   // We create per-app contexts on demand, unlike the others above.
 686   ChromeURLRequestContext* app_request_context =
 687       InitializeAppRequestContext(main_context, partition_descriptor,
 688                                   protocol_handler_interceptor.Pass(),
 689                                   protocol_handlers);
 690   DCHECK(app_request_context);
 691   return app_request_context;
 692 }
 693
 694 ChromeURLRequestContext*
 695 ProfileImplIOData::AcquireIsolatedMediaRequestContext(
 696     ChromeURLRequestContext* app_context,
 697     const StoragePartitionDescriptor& partition_descriptor) const {
 698   // We create per-app media contexts on demand, unlike the others above.
 699   ChromeURLRequestContext* media_request_context =
 700       InitializeMediaRequestContext(app_context, partition_descriptor);
 701   DCHECK(media_request_context);
 702   return media_request_context;
 703 }
 704
 705 void ProfileImplIOData::ClearNetworkingHistorySinceOnIOThread(
 706     base::Time time,
 707     const base::Closure& completion) {
 708   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 709   DCHECK(initialized());
 710
 711   DCHECK(transport_security_state());
 712   // Completes synchronously.
 713   transport_security_state()->DeleteAllDynamicDataSince(time);
 714   DCHECK(http_server_properties_manager_);
 715   http_server_properties_manager_->Clear(completion);
 716 }