[NTP Snippets] Persist the set of snippets in a pref

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/metrics/histogram_macros.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 55 matching lines @@
 #include "chrome/browser/ui/webui/plugins/plugins_ui.h"
 #include "chrome/browser/ui/webui/print_preview/sticky_settings.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_names.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/dom_distiller/core/distilled_page_prefs.h"
 #include "components/flags_ui/pref_service_flags_storage.h"
 #include "components/gcm_driver/gcm_channel_status_syncer.h"
 #include "components/network_time/network_time_tracker.h"
+#include "components/ntp_snippets/ntp_snippets_service.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/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/proxy_config/pref_proxy_config_tracker_impl.h"
 #include "components/rappor/rappor_service.h"
 #include "components/search_engines/template_url_prepopulate_data.h"
 #include "components/ssl_config/ssl_config_service_manager.h"
@@ skipping 331 matching lines @@
   dom_distiller::DistilledPagePrefs::RegisterProfilePrefs(registry);
   DownloadPrefs::RegisterProfilePrefs(registry);
   HostContentSettingsMap::RegisterProfilePrefs(registry);
   IncognitoModePrefs::RegisterProfilePrefs(registry);
   InstantUI::RegisterProfilePrefs(registry);
   NavigationCorrectionTabObserver::RegisterProfilePrefs(registry);
   MediaCaptureDevicesDispatcher::RegisterProfilePrefs(registry);
   MediaDeviceIDSalt::RegisterProfilePrefs(registry);
   MediaStreamDevicesController::RegisterProfilePrefs(registry);
   NetPrefObserver::RegisterProfilePrefs(registry);
+  ntp_snippets::NTPSnippetsService::RegisterProfilePrefs(registry);
   password_bubble_experiment::RegisterPrefs(registry);
   password_manager::PasswordManager::RegisterProfilePrefs(registry);
   PrefProxyConfigTrackerImpl::RegisterProfilePrefs(registry);
   PrefsTabHelper::RegisterProfilePrefs(registry);
   Profile::RegisterProfilePrefs(registry);
   ProfileImpl::RegisterProfilePrefs(registry);
   ProtocolHandlerRegistry::RegisterProfilePrefs(registry);
   PushMessagingAppIdentifier::RegisterProfilePrefs(registry);
   RegisterBrowserUserPrefs(registry);
   SessionStartupPref::RegisterProfilePrefs(registry);
@@ skipping 206 matching lines @@
   profile_prefs->ClearPref(kOverscrollVerticalThresholdComplete);
   profile_prefs->ClearPref(kOverscrollMinimumThresholdStart);
   profile_prefs->ClearPref(kOverscrollMinimumThresholdStartTouchpad);
   profile_prefs->ClearPref(kOverscrollVerticalThresholdStart);
   profile_prefs->ClearPref(kOverscrollHorizontalResistThreshold);
   profile_prefs->ClearPref(kOverscrollVerticalResistThreshold);
 #endif  // defined(USE_AURA)
 }
 
 }  // namespace chrome