Add OVERRIDE to chrome/browser/sync/.

chrome/browser/sync/engine/verify_updates_command.h

Index: chrome/browser/sync/engine/verify_updates_command.h
diff --git a/chrome/browser/sync/engine/verify_updates_command.h b/chrome/browser/sync/engine/verify_updates_command.h
index fe87a3d345061aee48922f626ce1c5389c8f7efe..b612e185a618c168375ad14f9260ae8cbf10130b 100644
--- a/chrome/browser/sync/engine/verify_updates_command.h
+++ b/chrome/browser/sync/engine/verify_updates_command.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -7,7 +7,7 @@
 #pragma once
 
 #include "base/basictypes.h"
-
+#include "base/compiler_specific.h"
 #include "chrome/browser/sync/engine/model_safe_worker.h"
 #include "chrome/browser/sync/engine/model_changing_syncer_command.h"
 #include "chrome/browser/sync/engine/syncproto.h"
@@ -27,7 +27,8 @@ class VerifyUpdatesCommand : public ModelChangingSyncerCommand {
   virtual ~VerifyUpdatesCommand();
 
   // SyncerCommand implementation.
-  virtual void ModelChangingExecuteImpl(sessions::SyncSession* session);
+  virtual void ModelChangingExecuteImpl(
+      sessions::SyncSession* session) OVERRIDE;
 
  private:
   struct VerifyUpdateResult {