[Sync] Trigger refresh for synced notifications on context change

chrome/browser/extensions/api/synced_notifications_private/synced_notifications_shim.h

Index: chrome/browser/extensions/api/synced_notifications_private/synced_notifications_shim.h
diff --git a/chrome/browser/extensions/api/synced_notifications_private/synced_notifications_shim.h b/chrome/browser/extensions/api/synced_notifications_private/synced_notifications_shim.h
index 7e75718549b65f0f1d02f3b9b2a5866e05f2df77..9d225cea8b78c2b140c41b480dfbd95092b0d5e6 100644
--- a/chrome/browser/extensions/api/synced_notifications_private/synced_notifications_shim.h
+++ b/chrome/browser/extensions/api/synced_notifications_private/synced_notifications_shim.h
@@ -23,7 +23,8 @@ class SyncedNotificationsShim : public syncer::SyncableService {
   // Callback for firing extension events.
   typedef base::Callback<void(scoped_ptr<extensions::Event>)> EventLauncher;
 
-  explicit SyncedNotificationsShim(const EventLauncher& event_launcher);
+  explicit SyncedNotificationsShim(const EventLauncher& event_launcher,
+                                   const base::Closure& refresh_request);
   virtual ~SyncedNotificationsShim();
 
   // SyncableService interface.
@@ -58,6 +59,9 @@ class SyncedNotificationsShim : public syncer::SyncableService {
   // Callback to trigger firing extension events.
   EventLauncher event_launcher_;
 
+  // Callback to trigger synced notification refresh.
+  base::Closure refresh_request_;
+
   // The sync change processors, initialized via MergeDataAndStartSyncing.
   scoped_ptr<syncer::SyncChangeProcessor> notifications_change_processor_;
   scoped_ptr<syncer::SyncChangeProcessor> app_info_change_processor_;