Add OVERRIDE to chrome/browser/sync/.

chrome/browser/sync/engine/syncer_end_command.h

Index: chrome/browser/sync/engine/syncer_end_command.h
diff --git a/chrome/browser/sync/engine/syncer_end_command.h b/chrome/browser/sync/engine/syncer_end_command.h
index c4fbd854ebee1b91f0f2075b3ff786faa8999d60..01e99f3ad7589d47bb1bd178df662952466735ea 100644
--- a/chrome/browser/sync/engine/syncer_end_command.h
+++ b/chrome/browser/sync/engine/syncer_end_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.
 
@@ -7,6 +7,7 @@
 #pragma once
 
 #include "base/basictypes.h"
+#include "base/compiler_specific.h"
 #include "chrome/browser/sync/engine/syncer_command.h"
 
 namespace browser_sync {
@@ -23,7 +24,7 @@ class SyncerEndCommand : public SyncerCommand {
   virtual ~SyncerEndCommand();
 
   // SyncerCommand implementation.
-  virtual void ExecuteImpl(sessions::SyncSession* session);
+  virtual void ExecuteImpl(sessions::SyncSession* session) OVERRIDE;
  private:
   DISALLOW_COPY_AND_ASSIGN(SyncerEndCommand);
 };