Handle errors on the initialization of SyncFileSystemService

chrome/browser/sync_file_system/mock_remote_file_sync_service.h

Index: chrome/browser/sync_file_system/mock_remote_file_sync_service.h
diff --git a/chrome/browser/sync_file_system/mock_remote_file_sync_service.h b/chrome/browser/sync_file_system/mock_remote_file_sync_service.h
index 8b107b26ddcd2455cae32b22ac0f08c3968f06ac..aa9fbc9d81affe3545a4efd9a30c61dc3adb523b 100644
--- a/chrome/browser/sync_file_system/mock_remote_file_sync_service.h
+++ b/chrome/browser/sync_file_system/mock_remote_file_sync_service.h
@@ -68,6 +68,12 @@ class MockRemoteFileSyncService : public RemoteFileSyncService {
   typedef std::map<fileapi::FileSystemURL, fileapi::SyncFileMetadata,
                    fileapi::FileSystemURL::Comparator> FileMetadataMap;
 
+  void RegisterOriginForTrackingChangesStub(
+      const GURL& origin,
+      const fileapi::SyncStatusCallback& callback);
+  void UnregisterOriginForTrackingChangesStub(
+      const GURL& origin,
+      const fileapi::SyncStatusCallback& callback);
   void ProcessRemoteChangeStub(
       RemoteChangeProcessor* processor,
       const fileapi::SyncFileCallback& callback);