[Offline Prefetch] Backoff support for PrefetchBackgroundTask

chrome/browser/prefs/browser_prefs.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/prefs/browser_prefs.h"
 
 #include <string>
 
 #include "base/files/file_util.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 68 matching lines @@
 #include "components/gcm_driver/gcm_channel_status_syncer.h"
 #include "components/metrics/metrics_service.h"
 #include "components/network_time/network_time_tracker.h"
 #include "components/ntp_snippets/content_suggestions_service.h"
 #include "components/ntp_snippets/remote/remote_suggestions_provider_impl.h"
 #include "components/ntp_snippets/remote/remote_suggestions_scheduler_impl.h"
 #include "components/ntp_snippets/remote/request_throttler.h"
 #include "components/ntp_snippets/sessions/foreign_sessions_suggestions_provider.h"
 #include "components/ntp_snippets/user_classifier.h"
 #include "components/ntp_tiles/most_visited_sites.h"
+#include "components/offline_pages/features/features.h"
 #include "components/omnibox/browser/zero_suggest_provider.h"
 #include "components/password_manager/core/browser/password_bubble_experiment.h"
 #include "components/password_manager/core/browser/password_manager.h"
 #include "components/payments/core/payment_prefs.h"
 #include "components/policy/core/browser/browser_policy_connector.h"
 #include "components/policy/core/browser/url_blacklist_manager.h"
 #include "components/policy/core/common/policy_statistics_collector.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
@@ skipping 36 matching lines @@
 #include "chrome/browser/extensions/launch_util.h"
 #include "chrome/browser/signin/easy_unlock_service.h"
 #include "chrome/browser/ui/toolbar/component_toolbar_actions_factory.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_bar.h"
 #include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
 #include "extensions/browser/api/audio/audio_api.h"
 #include "extensions/browser/api/runtime/runtime_api.h"
 #include "extensions/browser/extension_prefs.h"
 #endif  // BUILDFLAG(ENABLE_EXTENSIONS)
 
+#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
+#include "chrome/browser/android/offline_pages/prefetch/prefetch_background_task.h"
+#endif
+
 #if BUILDFLAG(ENABLE_PLUGINS)
 #include "chrome/browser/plugins/plugins_resource_service.h"
 #endif
 
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
 #include "chrome/browser/supervised_user/child_accounts/child_account_service.h"
 #include "chrome/browser/supervised_user/legacy/supervised_user_shared_settings_service.h"
 #include "chrome/browser/supervised_user/legacy/supervised_user_sync_service.h"
 #include "chrome/browser/supervised_user/supervised_user_service.h"
 #include "chrome/browser/supervised_user/supervised_user_whitelist_service.h"
@@ skipping 514 matching lines @@
   registry->RegisterStringPref(kRecentlySelectedEncoding, std::string());
   registry->RegisterBooleanPref(kWebKitUsesUniversalDetector, true);
 
   registry->RegisterBooleanPref(kWebKitAllowDisplayingInsecureContent, true);
 
 #if BUILDFLAG(ENABLE_EXTENSIONS)
   registry->RegisterDictionaryPref(kToolbarMigratedComponentActionStatus);
 #endif
 
   registry->RegisterDictionaryPref(kDistroDict);
+
+#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
+  offline_pages::RegisterPrefetchBackgroundTaskPrefs(registry);
+#endif
 }
 
 void RegisterUserProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   RegisterProfilePrefs(registry);
 
 #if defined(OS_CHROMEOS)
   chromeos::PowerPrefs::RegisterUserProfilePrefs(registry);
 #endif
 
 #if defined(OS_ANDROID)
@@ skipping 115 matching lines @@
   // default values for all prefs locally. Since we already have the defaults it
   // would be wasteful to request them from the service by connecting to the
   // DEFAULT_STORE.
   // TODO(sammc): Once we have this distinction, connect to the default pref
   // store here (by erasing it from |pref_stores|).
   pref_stores.erase(PrefValueStore::USER_STORE);
   return pref_stores;
 }
 
 }  // namespace chrome