[Android] Adding content settings provider for notification channels

chrome/browser/content_settings/host_content_settings_map_factory.cc

Index: chrome/browser/content_settings/host_content_settings_map_factory.cc
diff --git a/chrome/browser/content_settings/host_content_settings_map_factory.cc b/chrome/browser/content_settings/host_content_settings_map_factory.cc
index a3465561e0b82d26889314daa44e73579075289e..4759f1e993ae4615f783cdaab52e866cacc4100f 100644
--- a/chrome/browser/content_settings/host_content_settings_map_factory.cc
+++ b/chrome/browser/content_settings/host_content_settings_map_factory.cc
@@ -7,6 +7,7 @@
 #include <utility>
 
 #include "base/feature_list.h"
+#include "chrome/browser/notifications/notification_channels_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"
@@ -109,6 +110,15 @@ scoped_refptr<RefcountedKeyedService>
   }
 #endif // BUILDFLAG(ENABLE_SUPERVISED_USERS)
 
+#if defined(OS_ANDROID)
+  if (base::FeatureList::IsEnabled(features::kSiteNotificationChannels)) {
+    auto channels_provider =
+        base::MakeUnique<NotificationChannelsProviderAndroid>();
+    settings_map->RegisterProvider(
+        HostContentSettingsMap::NOTIFICATION_ANDROID_PROVIDER,
+        std::move(channels_provider));
+  }
+#endif  // defined (OS_ANDROID)
   return settings_map;
 }