Fixed sync regression for ephemeral apps

chrome/browser/extensions/extension_sync_service.h

Index: chrome/browser/extensions/extension_sync_service.h
diff --git a/chrome/browser/extensions/extension_sync_service.h b/chrome/browser/extensions/extension_sync_service.h
index 6a9d65f764f50c3d87a69514cfa7b6648610608f..c5eb9d4a544276e74f08adb0def3a41f02ca73e3 100644
--- a/chrome/browser/extensions/extension_sync_service.h
+++ b/chrome/browser/extensions/extension_sync_service.h
@@ -112,6 +112,8 @@ class ExtensionSyncService : public syncer::SyncableService,
   // sync_start_util for more.
   void SetSyncStartFlare(const syncer::SyncableService::StartSyncFlare& flare);
 
+  Profile* profile() { return profile_; }
+
  private:
   // Return true if the sync type of |extension| matches |type|.
   bool IsCorrectSyncType(const extensions::Extension& extension,