Add OVERRIDE to chrome/browser/sync/.

chrome/browser/sync/engine/store_timestamps_command.h

Index: chrome/browser/sync/engine/store_timestamps_command.h
diff --git a/chrome/browser/sync/engine/store_timestamps_command.h b/chrome/browser/sync/engine/store_timestamps_command.h
index ca8751aad9cd28cfa7704055fd6d9e91d9630bc2..c05c2e637c9f7789f5713b1d0497a081242d6c34 100644
--- a/chrome/browser/sync/engine/store_timestamps_command.h
+++ b/chrome/browser/sync/engine/store_timestamps_command.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 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.
 
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_SYNC_ENGINE_STORE_TIMESTAMPS_COMMAND_H_
 #pragma once
 
+#include "base/compiler_specific.h"
 #include "chrome/browser/sync/engine/syncer_command.h"
 #include "chrome/browser/sync/engine/syncer_types.h"
 
@@ -29,7 +30,7 @@ class StoreTimestampsCommand : public SyncerCommand {
   virtual ~StoreTimestampsCommand();
 
   // SyncerCommand implementation.
-  virtual void ExecuteImpl(sessions::SyncSession* session);
+  virtual void ExecuteImpl(sessions::SyncSession* session) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(StoreTimestampsCommand);