Added function DeleteOriginDirectory to RemoteFileSyncService interface that removes the remote cop…

chrome/browser/sync_file_system/mock_remote_file_sync_service.cc

Index: chrome/browser/sync_file_system/mock_remote_file_sync_service.cc
diff --git a/chrome/browser/sync_file_system/mock_remote_file_sync_service.cc b/chrome/browser/sync_file_system/mock_remote_file_sync_service.cc
index 25189d1e743ab66d268ad84882e3974dd41e9138..1f3bff25c2bc10b8e45f4cc74a5c14f9f9668c84 100644
--- a/chrome/browser/sync_file_system/mock_remote_file_sync_service.cc
+++ b/chrome/browser/sync_file_system/mock_remote_file_sync_service.cc
@@ -31,6 +31,9 @@ MockRemoteFileSyncService::MockRemoteFileSyncService() {
   ON_CALL(*this, UnregisterOriginForTrackingChanges(_, _))
       .WillByDefault(
           Invoke(this, &self::UnregisterOriginForTrackingChangesStub));
+  ON_CALL(*this, DeleteOriginDirectory(_, _))
+      .WillByDefault(
+          Invoke(this, &self::DeleteOriginDirectoryStub));
   ON_CALL(*this, ProcessRemoteChange(_, _))
       .WillByDefault(Invoke(this, &self::ProcessRemoteChangeStub));
   ON_CALL(*this, GetLocalChangeProcessor())
@@ -96,6 +99,14 @@ void MockRemoteFileSyncService::UnregisterOriginForTrackingChangesStub(
       base::Bind(callback, SYNC_STATUS_OK));
 }
 
+void MockRemoteFileSyncService::DeleteOriginDirectoryStub(
+    const GURL& origin,
+    const SyncStatusCallback& callback) {
+  base::MessageLoopProxy::current()->PostTask(
+      FROM_HERE,
+      base::Bind(callback, SYNC_STATUS_OK));
+}
+
 void MockRemoteFileSyncService::ProcessRemoteChangeStub(
     RemoteChangeProcessor* processor,
     const SyncFileCallback& callback) {