[Android] Adding content settings provider for notification channels

chrome/browser/content_settings/host_content_settings_map_factory.cc

 // Copyright 2015 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/content_settings/host_content_settings_map_factory.h"
 
 #include <utility>
 
 #include "base/feature_list.h"
+#include "chrome/browser/notifications/notification_content_settings_provider_android.h"
 #include "chrome/browser/prefs/pref_service_syncable_util.h"
 #include "chrome/browser/profiles/off_the_record_profile_impl.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_features.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/sync_preferences/pref_service_syncable.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/features/features.h"
 
@@ skipping 82 matching lines @@
       SupervisedUserSettingsServiceFactory::GetForProfile(profile);
   // This may be null in testing.
   if (supervised_service) {
     std::unique_ptr<content_settings::SupervisedProvider> supervised_provider(
         new content_settings::SupervisedProvider(supervised_service));
     settings_map->RegisterProvider(HostContentSettingsMap::SUPERVISED_PROVIDER,
                                    std::move(supervised_provider));
   }
 #endif // BUILDFLAG(ENABLE_SUPERVISED_USERS)
 
+#if defined(OS_ANDROID)

[Peter Beverloo, 2017/05/16 16:15:34]

Should we also guard the implementation behind a base::Feature so that we can
enable (or disable!) it in one go? You can add a value to
//chrome/common/chrome_features.h

[raymes, 2017/05/17 03:13:38]

+1 good idea :)

[awdf, 2017/05/17 17:14:40]

Done.

+  auto android_system_provider =

[Peter Beverloo, 2017/05/16 16:15:34]

micro nit: rename

[awdf, 2017/05/17 17:14:40]

Done.

+      base::MakeUnique<NotificationContentSettingsProviderAndroid>();
+  settings_map->RegisterProvider(
+      HostContentSettingsMap::NOTIFICATION_CONTENT_SETTINGS_ANDROID_PROVIDER,
+      std::move(android_system_provider));
+#endif
   return settings_map;
 }
 
 content::BrowserContext* HostContentSettingsMapFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return context;
 }