chrome/browser/profiles/profile_io_data.h

   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 #ifndef CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_
   6 #define CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_
   7
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/basictypes.h"
  13 #include "base/callback_forward.h"
  14 #include "base/files/file_path.h"
  15 #include "base/memory/ref_counted.h"
  16 #include "base/memory/scoped_ptr.h"
  17 #include "base/memory/weak_ptr.h"
  18 #include "base/prefs/pref_member.h"
  19 #include "base/synchronization/lock.h"
  20 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
  21 #include "chrome/browser/io_thread.h"
  22 #include "chrome/browser/profiles/profile.h"
  23 #include "chrome/browser/profiles/storage_partition_descriptor.h"
  24 #include "components/content_settings/core/common/content_settings_types.h"
  25 #include "content/public/browser/content_browser_client.h"
  26 #include "content/public/browser/resource_context.h"
  27 #include "net/cookies/cookie_monster.h"
  28 #include "net/http/http_cache.h"
  29 #include "net/http/http_network_session.h"
  30 #include "net/url_request/url_request_context.h"
  31 #include "net/url_request/url_request_interceptor.h"
  32 #include "net/url_request/url_request_job_factory.h"
  33
  34 class ChromeHttpUserAgentSettings;
  35 class ChromeNetworkDelegate;
  36 class ChromeURLRequestContextGetter;
  37 class DevToolsNetworkController;
  38 class HostContentSettingsMap;
  39 class MediaDeviceIDSalt;
  40 class ProtocolHandlerRegistry;
  41 class SupervisedUserURLFilter;
  42
  43 namespace chrome_browser_net {
  44 class ResourcePrefetchPredictorObserver;
  45 }
  46
  47 namespace content_settings {
  48 class CookieSettings;
  49 }
  50
  51 namespace data_reduction_proxy {
  52 class DataReductionProxyIOData;
  53 }
  54
  55 namespace extensions {
  56 class ExtensionThrottleManager;
  57 class InfoMap;
  58 }
  59
  60 namespace net {
  61 class CertificateReportSender;
  62 class CertVerifier;
  63 class ChannelIDService;
  64 class CookieStore;
  65 class FraudulentCertificateReporter;
  66 class FtpTransactionFactory;
  67 class HttpServerProperties;
  68 class HttpTransactionFactory;
  69 class ProxyConfigService;
  70 class ProxyService;
  71 class SSLConfigService;
  72 class TransportSecurityPersister;
  73 class TransportSecurityState;
  74 class URLRequestJobFactoryImpl;
  75 }  // namespace net
  76
  77 namespace policy {
  78 class PolicyCertVerifier;
  79 class PolicyHeaderIOHelper;
  80 class URLBlacklistManager;
  81 }  // namespace policy
  82
  83 // Conceptually speaking, the ProfileIOData represents data that lives on the IO
  84 // thread that is owned by a Profile, such as, but not limited to, network
  85 // objects like CookieMonster, HttpTransactionFactory, etc.  Profile owns
  86 // ProfileIOData, but will make sure to delete it on the IO thread (except
  87 // possibly in unit tests where there is no IO thread).
  88 class ProfileIOData {
  89  public:
  90   typedef std::vector<scoped_refptr<ChromeURLRequestContextGetter>>
  91       ChromeURLRequestContextGetterVector;
  92
  93   virtual ~ProfileIOData();
  94
  95   static ProfileIOData* FromResourceContext(content::ResourceContext* rc);
  96
  97   // Returns true if |scheme| is handled in Chrome, or by default handlers in
  98   // net::URLRequest.
  99   static bool IsHandledProtocol(const std::string& scheme);
 100
 101   // Returns true if |url| is handled in Chrome, or by default handlers in
 102   // net::URLRequest.
 103   static bool IsHandledURL(const GURL& url);
 104
 105   // Utility to install additional WebUI handlers into the |job_factory|.
 106   // Ownership of the handlers is transfered from |protocol_handlers|
 107   // to the |job_factory|.
 108   static void InstallProtocolHandlers(
 109       net::URLRequestJobFactoryImpl* job_factory,
 110       content::ProtocolHandlerMap* protocol_handlers);
 111
 112   // Sets a global CertVerifier to use when initializing all profiles.
 113   static void SetCertVerifierForTesting(net::CertVerifier* cert_verifier);
 114
 115   // Called by Profile.
 116   content::ResourceContext* GetResourceContext() const;
 117
 118   // Initializes the ProfileIOData object and primes the RequestContext
 119   // generation. Must be called prior to any of the Get*() methods other than
 120   // GetResouceContext or GetMetricsEnabledStateOnIOThread.
 121   void Init(
 122       content::ProtocolHandlerMap* protocol_handlers,
 123       content::URLRequestInterceptorScopedVector request_interceptors) const;
 124
 125   net::URLRequestContext* GetMainRequestContext() const;
 126   net::URLRequestContext* GetMediaRequestContext() const;
 127   net::URLRequestContext* GetExtensionsRequestContext() const;
 128   net::URLRequestContext* GetIsolatedAppRequestContext(
 129       net::URLRequestContext* main_context,
 130       const StoragePartitionDescriptor& partition_descriptor,
 131       scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 132           protocol_handler_interceptor,
 133       content::ProtocolHandlerMap* protocol_handlers,
 134       content::URLRequestInterceptorScopedVector request_interceptors) const;
 135   net::URLRequestContext* GetIsolatedMediaRequestContext(
 136       net::URLRequestContext* app_context,
 137       const StoragePartitionDescriptor& partition_descriptor) const;
 138
 139   // These are useful when the Chrome layer is called from the content layer
 140   // with a content::ResourceContext, and they want access to Chrome data for
 141   // that profile.
 142   extensions::InfoMap* GetExtensionInfoMap() const;
 143   extensions::ExtensionThrottleManager* GetExtensionThrottleManager() const;
 144   content_settings::CookieSettings* GetCookieSettings() const;
 145   HostContentSettingsMap* GetHostContentSettingsMap() const;
 146
 147   IntegerPrefMember* session_startup_pref() const {
 148     return &session_startup_pref_;
 149   }
 150
 151   StringPrefMember* google_services_account_id() const {
 152     return &google_services_user_account_id_;
 153   }
 154
 155   net::URLRequestContext* extensions_request_context() const {
 156     return extensions_request_context_.get();
 157   }
 158
 159   BooleanPrefMember* safe_browsing_enabled() const {
 160     return &safe_browsing_enabled_;
 161   }
 162
 163   BooleanPrefMember* sync_disabled() const {
 164     return &sync_disabled_;
 165   }
 166
 167   BooleanPrefMember* signin_allowed() const {
 168     return &signin_allowed_;
 169   }
 170
 171   IntegerPrefMember* network_prediction_options() const {
 172     return &network_prediction_options_;
 173   }
 174
 175   content::ResourceContext::SaltCallback GetMediaDeviceIDSalt() const;
 176
 177   DevToolsNetworkController* network_controller() const {
 178     return network_controller_.get();
 179   }
 180
 181   net::TransportSecurityState* transport_security_state() const {
 182     return transport_security_state_.get();
 183   }
 184
 185 #if defined(OS_CHROMEOS)
 186   std::string username_hash() const {
 187     return username_hash_;
 188   }
 189
 190   bool use_system_key_slot() const { return use_system_key_slot_; }
 191 #endif
 192
 193   Profile::ProfileType profile_type() const {
 194     return profile_type_;
 195   }
 196
 197   bool IsOffTheRecord() const;
 198
 199   IntegerPrefMember* incognito_availibility() const {
 200     return &incognito_availibility_pref_;
 201   }
 202
 203   chrome_browser_net::ResourcePrefetchPredictorObserver*
 204       resource_prefetch_predictor_observer() const {
 205     return resource_prefetch_predictor_observer_.get();
 206   }
 207
 208 #if defined(ENABLE_CONFIGURATION_POLICY)
 209   policy::PolicyHeaderIOHelper* policy_header_helper() const {
 210     return policy_header_helper_.get();
 211   }
 212 #endif
 213
 214 #if defined(ENABLE_SUPERVISED_USERS)
 215   const SupervisedUserURLFilter* supervised_user_url_filter() const {
 216     return supervised_user_url_filter_.get();
 217   }
 218 #endif
 219
 220   // Initialize the member needed to track the metrics enabled state. This is
 221   // only to be called on the UI thread.
 222   void InitializeMetricsEnabledStateOnUIThread();
 223
 224   // Returns whether or not metrics reporting is enabled in the browser instance
 225   // on which this profile resides. This is safe for use from the IO thread, and
 226   // should only be called from there.
 227   bool GetMetricsEnabledStateOnIOThread() const;
 228
 229   void set_client_cert_store_factory_for_testing(
 230     const base::Callback<scoped_ptr<net::ClientCertStore>()>& factory) {
 231       client_cert_store_factory_ = factory;
 232   }
 233
 234   bool IsDataReductionProxyEnabled() const;
 235
 236   data_reduction_proxy::DataReductionProxyIOData*
 237   data_reduction_proxy_io_data() const {
 238     return data_reduction_proxy_io_data_.get();
 239   }
 240
 241  protected:
 242   // A URLRequestContext for media that owns its HTTP factory, to ensure
 243   // it is deleted.
 244   class MediaRequestContext : public net::URLRequestContext {
 245    public:
 246     MediaRequestContext();
 247
 248     void SetHttpTransactionFactory(
 249         scoped_ptr<net::HttpTransactionFactory> http_factory);
 250
 251    private:
 252     ~MediaRequestContext() override;
 253
 254     scoped_ptr<net::HttpTransactionFactory> http_factory_;
 255   };
 256
 257   // A URLRequestContext for apps that owns its cookie store and HTTP factory,
 258   // to ensure they are deleted.
 259   class AppRequestContext : public net::URLRequestContext {
 260    public:
 261     AppRequestContext();
 262
 263     void SetCookieStore(net::CookieStore* cookie_store);
 264     void SetHttpTransactionFactory(
 265         scoped_ptr<net::HttpTransactionFactory> http_factory);
 266     void SetJobFactory(scoped_ptr<net::URLRequestJobFactory> job_factory);
 267
 268    private:
 269     ~AppRequestContext() override;
 270
 271     scoped_refptr<net::CookieStore> cookie_store_;
 272     scoped_ptr<net::HttpTransactionFactory> http_factory_;
 273     scoped_ptr<net::URLRequestJobFactory> job_factory_;
 274   };
 275
 276   // Created on the UI thread, read on the IO thread during ProfileIOData lazy
 277   // initialization.
 278   struct ProfileParams {
 279     ProfileParams();
 280     ~ProfileParams();
 281
 282     base::FilePath path;
 283     IOThread* io_thread;
 284     scoped_refptr<content_settings::CookieSettings> cookie_settings;
 285     scoped_refptr<HostContentSettingsMap> host_content_settings_map;
 286     scoped_refptr<net::SSLConfigService> ssl_config_service;
 287     scoped_refptr<net::CookieMonster::Delegate> cookie_monster_delegate;
 288 #if defined(ENABLE_EXTENSIONS)
 289     scoped_refptr<extensions::InfoMap> extension_info_map;
 290 #endif
 291     scoped_ptr<chrome_browser_net::ResourcePrefetchPredictorObserver>
 292         resource_prefetch_predictor_observer_;
 293
 294     // This pointer exists only as a means of conveying a url job factory
 295     // pointer from the protocol handler registry on the UI thread to the
 296     // the URLRequestContext on the IO thread. The consumer MUST take
 297     // ownership of the object by calling release() on this pointer.
 298     scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 299         protocol_handler_interceptor;
 300
 301     // Holds the URLRequestInterceptor pointer that is created on the UI thread
 302     // and then passed to the list of request_interceptors on the IO thread.
 303     scoped_ptr<net::URLRequestInterceptor> new_tab_page_interceptor;
 304
 305     // We need to initialize the ProxyConfigService from the UI thread
 306     // because on linux it relies on initializing things through gconf,
 307     // and needs to be on the main thread.
 308     scoped_ptr<net::ProxyConfigService> proxy_config_service;
 309
 310 #if defined(ENABLE_SUPERVISED_USERS)
 311     scoped_refptr<const SupervisedUserURLFilter> supervised_user_url_filter;
 312 #endif
 313
 314 #if defined(OS_CHROMEOS)
 315     std::string username_hash;
 316     bool use_system_key_slot;
 317 #endif
 318
 319     // The profile this struct was populated from. It's passed as a void* to
 320     // ensure it's not accidently used on the IO thread. Before using it on the
 321     // UI thread, call ProfileManager::IsValidProfile to ensure it's alive.
 322     void* profile;
 323   };
 324
 325   explicit ProfileIOData(Profile::ProfileType profile_type);
 326
 327   static std::string GetSSLSessionCacheShard();
 328
 329   void InitializeOnUIThread(Profile* profile);
 330   void ApplyProfileParamsToContext(net::URLRequestContext* context) const;
 331
 332   scoped_ptr<net::URLRequestJobFactory> SetUpJobFactoryDefaults(
 333       scoped_ptr<net::URLRequestJobFactoryImpl> job_factory,
 334       content::URLRequestInterceptorScopedVector request_interceptors,
 335       scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 336           protocol_handler_interceptor,
 337       net::NetworkDelegate* network_delegate,
 338       net::FtpTransactionFactory* ftp_transaction_factory) const;
 339
 340   // Called when the Profile is destroyed. |context_getters| must include all
 341   // URLRequestContextGetters that refer to the ProfileIOData's
 342   // URLRequestContexts. Triggers destruction of the ProfileIOData and shuts
 343   // down |context_getters| safely on the IO thread.
 344   // TODO(mmenke):  Passing all those URLRequestContextGetters around like this
 345   //     is really silly.  Can we do something cleaner?
 346   void ShutdownOnUIThread(
 347       scoped_ptr<ChromeURLRequestContextGetterVector> context_getters);
 348
 349   // A ChannelIDService object is created by a derived class of
 350   // ProfileIOData, and the derived class calls this method to set the
 351   // channel_id_service_ member and transfers ownership to the base
 352   // class.
 353   void set_channel_id_service(
 354       net::ChannelIDService* channel_id_service) const;
 355
 356   void set_data_reduction_proxy_io_data(
 357       scoped_ptr<data_reduction_proxy::DataReductionProxyIOData>
 358           data_reduction_proxy_io_data) const;
 359
 360   net::FraudulentCertificateReporter* fraudulent_certificate_reporter() const {
 361     return fraudulent_certificate_reporter_.get();
 362   }
 363
 364   net::ProxyService* proxy_service() const {
 365     return proxy_service_.get();
 366   }
 367
 368   base::WeakPtr<net::HttpServerProperties> http_server_properties() const;
 369
 370   void set_http_server_properties(
 371       scoped_ptr<net::HttpServerProperties> http_server_properties) const;
 372
 373   net::URLRequestContext* main_request_context() const {
 374     return main_request_context_.get();
 375   }
 376
 377   bool initialized() const {
 378     return initialized_;
 379   }
 380
 381   // Destroys the ResourceContext first, to cancel any URLRequests that are
 382   // using it still, before we destroy the member variables that those
 383   // URLRequests may be accessing.
 384   void DestroyResourceContext();
 385
 386   // Creates network session and main network transaction factory.
 387   scoped_ptr<net::HttpCache> CreateMainHttpFactory(
 388       const ProfileParams* profile_params,
 389       net::HttpCache::BackendFactory* main_backend) const;
 390
 391   // Creates network transaction factory.
 392   scoped_ptr<net::HttpCache> CreateHttpFactory(
 393       net::HttpNetworkSession* shared_session,
 394       net::HttpCache::BackendFactory* backend) const;
 395
 396   void SetCookieSettingsForTesting(
 397       content_settings::CookieSettings* cookie_settings);
 398
 399  private:
 400   class ResourceContext : public content::ResourceContext {
 401    public:
 402     explicit ResourceContext(ProfileIOData* io_data);
 403     ~ResourceContext() override;
 404
 405     // ResourceContext implementation:
 406     net::HostResolver* GetHostResolver() override;
 407     net::URLRequestContext* GetRequestContext() override;
 408     scoped_ptr<net::ClientCertStore> CreateClientCertStore() override;
 409     void CreateKeygenHandler(
 410         uint32 key_size_in_bits,
 411         const std::string& challenge_string,
 412         const GURL& url,
 413         const base::Callback<void(scoped_ptr<net::KeygenHandler>)>& callback)
 414         override;
 415     SaltCallback GetMediaDeviceIDSalt() override;
 416
 417    private:
 418     friend class ProfileIOData;
 419
 420     ProfileIOData* const io_data_;
 421
 422     net::HostResolver* host_resolver_;
 423     net::URLRequestContext* request_context_;
 424   };
 425
 426   typedef std::map<StoragePartitionDescriptor,
 427                    net::URLRequestContext*,
 428                    StoragePartitionDescriptorLess>
 429       URLRequestContextMap;
 430
 431   // --------------------------------------------
 432   // Virtual interface for subtypes to implement:
 433   // --------------------------------------------
 434
 435   // Does the actual initialization of the ProfileIOData subtype. Subtypes
 436   // should use the static helper functions above to implement this.
 437   virtual void InitializeInternal(
 438       scoped_ptr<ChromeNetworkDelegate> chrome_network_delegate,
 439       ProfileParams* profile_params,
 440       content::ProtocolHandlerMap* protocol_handlers,
 441       content::URLRequestInterceptorScopedVector
 442           request_interceptors) const = 0;
 443
 444   // Initializes the RequestContext for extensions.
 445   virtual void InitializeExtensionsRequestContext(
 446       ProfileParams* profile_params) const = 0;
 447   // Does an on-demand initialization of a RequestContext for the given
 448   // isolated app.
 449   virtual net::URLRequestContext* InitializeAppRequestContext(
 450       net::URLRequestContext* main_context,
 451       const StoragePartitionDescriptor& details,
 452       scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 453           protocol_handler_interceptor,
 454       content::ProtocolHandlerMap* protocol_handlers,
 455       content::URLRequestInterceptorScopedVector
 456           request_interceptors) const = 0;
 457
 458   // Does an on-demand initialization of a media RequestContext for the given
 459   // isolated app.
 460   virtual net::URLRequestContext* InitializeMediaRequestContext(
 461       net::URLRequestContext* original_context,
 462       const StoragePartitionDescriptor& details) const = 0;
 463
 464   // These functions are used to transfer ownership of the lazily initialized
 465   // context from ProfileIOData to the URLRequestContextGetter.
 466   virtual net::URLRequestContext*
 467       AcquireMediaRequestContext() const = 0;
 468   virtual net::URLRequestContext* AcquireIsolatedAppRequestContext(
 469       net::URLRequestContext* main_context,
 470       const StoragePartitionDescriptor& partition_descriptor,
 471       scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 472           protocol_handler_interceptor,
 473       content::ProtocolHandlerMap* protocol_handlers,
 474       content::URLRequestInterceptorScopedVector
 475           request_interceptors) const = 0;
 476   virtual net::URLRequestContext*
 477       AcquireIsolatedMediaRequestContext(
 478           net::URLRequestContext* app_context,
 479           const StoragePartitionDescriptor& partition_descriptor) const = 0;
 480
 481   // The order *DOES* matter for the majority of these member variables, so
 482   // don't move them around unless you know what you're doing!
 483   // General rules:
 484   //   * ResourceContext references the URLRequestContexts, so
 485   //   URLRequestContexts must outlive ResourceContext, hence ResourceContext
 486   //   should be destroyed first.
 487   //   * URLRequestContexts reference a whole bunch of members, so
 488   //   URLRequestContext needs to be destroyed before them.
 489   //   * Therefore, ResourceContext should be listed last, and then the
 490   //   URLRequestContexts, and then the URLRequestContext members.
 491   //   * Note that URLRequestContext members have a directed dependency graph
 492   //   too, so they must themselves be ordered correctly.
 493
 494   // Tracks whether or not we've been lazily initialized.
 495   mutable bool initialized_;
 496
 497   // Data from the UI thread from the Profile, used to initialize ProfileIOData.
 498   // Deleted after lazy initialization.
 499   mutable scoped_ptr<ProfileParams> profile_params_;
 500
 501   // Used for testing.
 502   mutable base::Callback<scoped_ptr<net::ClientCertStore>()>
 503       client_cert_store_factory_;
 504
 505   mutable StringPrefMember google_services_user_account_id_;
 506
 507   mutable scoped_refptr<MediaDeviceIDSalt> media_device_id_salt_;
 508
 509   // Member variables which are pointed to by the various context objects.
 510   mutable BooleanPrefMember enable_referrers_;
 511   mutable BooleanPrefMember enable_do_not_track_;
 512   mutable BooleanPrefMember force_google_safesearch_;
 513   mutable BooleanPrefMember force_youtube_safety_mode_;
 514   mutable BooleanPrefMember safe_browsing_enabled_;
 515   mutable BooleanPrefMember sync_disabled_;
 516   mutable BooleanPrefMember signin_allowed_;
 517   mutable IntegerPrefMember network_prediction_options_;
 518   // TODO(marja): Remove session_startup_pref_ if no longer needed.
 519   mutable IntegerPrefMember session_startup_pref_;
 520   mutable BooleanPrefMember quick_check_enabled_;
 521   mutable IntegerPrefMember incognito_availibility_pref_;
 522
 523   // The state of metrics reporting in the browser that this profile runs on.
 524   // Unfortunately, since ChromeOS has a separate representation of this state,
 525   // we need to make one available based on the platform.
 526 #if defined(OS_CHROMEOS)
 527   bool enable_metrics_;
 528 #else
 529   BooleanPrefMember enable_metrics_;
 530 #endif
 531
 532 #if defined(ENABLE_CONFIGURATION_POLICY)
 533   // Pointed to by NetworkDelegate.
 534   mutable scoped_ptr<policy::URLBlacklistManager> url_blacklist_manager_;
 535   mutable scoped_ptr<policy::PolicyHeaderIOHelper> policy_header_helper_;
 536 #endif
 537
 538   // Pointed to by URLRequestContext.
 539 #if defined(ENABLE_EXTENSIONS)
 540   mutable scoped_refptr<extensions::InfoMap> extension_info_map_;
 541 #endif
 542   mutable scoped_ptr<net::ChannelIDService> channel_id_service_;
 543
 544   mutable scoped_ptr<data_reduction_proxy::DataReductionProxyIOData>
 545       data_reduction_proxy_io_data_;
 546
 547   mutable scoped_ptr<net::FraudulentCertificateReporter>
 548       fraudulent_certificate_reporter_;
 549   mutable scoped_ptr<net::ProxyService> proxy_service_;
 550   mutable scoped_ptr<net::TransportSecurityState> transport_security_state_;
 551   mutable scoped_ptr<net::HttpServerProperties>
 552       http_server_properties_;
 553 #if defined(OS_CHROMEOS)
 554   // Set to |cert_verifier_| if it references a PolicyCertVerifier. In that
 555   // case, the verifier is owned by  |cert_verifier_|. Otherwise, set to NULL.
 556   mutable scoped_ptr<net::CertVerifier> cert_verifier_;
 557   mutable policy::PolicyCertVerifier* policy_cert_verifier_;
 558   mutable std::string username_hash_;
 559   mutable bool use_system_key_slot_;
 560 #endif
 561
 562   mutable scoped_ptr<net::TransportSecurityPersister>
 563       transport_security_persister_;
 564   mutable scoped_ptr<net::CertificateReportSender> certificate_report_sender_;
 565
 566   // These are only valid in between LazyInitialize() and their accessor being
 567   // called.
 568   mutable scoped_ptr<net::URLRequestContext> main_request_context_;
 569   mutable scoped_ptr<net::URLRequestContext> extensions_request_context_;
 570   // One URLRequestContext per isolated app for main and media requests.
 571   mutable URLRequestContextMap app_request_context_map_;
 572   mutable URLRequestContextMap isolated_media_request_context_map_;
 573
 574   mutable scoped_ptr<ResourceContext> resource_context_;
 575
 576   mutable scoped_refptr<content_settings::CookieSettings> cookie_settings_;
 577
 578   mutable scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
 579
 580   mutable scoped_ptr<chrome_browser_net::ResourcePrefetchPredictorObserver>
 581       resource_prefetch_predictor_observer_;
 582
 583   mutable scoped_ptr<ChromeHttpUserAgentSettings>
 584       chrome_http_user_agent_settings_;
 585
 586 #if defined(ENABLE_SUPERVISED_USERS)
 587   mutable scoped_refptr<const SupervisedUserURLFilter>
 588       supervised_user_url_filter_;
 589 #endif
 590
 591 #if defined(ENABLE_EXTENSIONS)
 592   // Is NULL if switches::kDisableExtensionsHttpThrottling is on.
 593   mutable scoped_ptr<extensions::ExtensionThrottleManager>
 594       extension_throttle_manager_;
 595 #endif
 596
 597   mutable scoped_ptr<DevToolsNetworkController> network_controller_;
 598
 599   // TODO(jhawkins): Remove once crbug.com/102004 is fixed.
 600   bool initialized_on_UI_thread_;
 601
 602   const Profile::ProfileType profile_type_;
 603
 604   DISALLOW_COPY_AND_ASSIGN(ProfileIOData);
 605 };
 606
 607 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_