Add OVERRIDE to chrome/browser/chromeos/.

chrome/browser/chromeos/login/textfield_with_margin.h

-// 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_TEXTFIELD_WITH_MARGIN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_TEXTFIELD_WITH_MARGIN_H_
 #pragma once
 
+#include "base/compiler_specific.h"
 #include "views/controls/textfield/textfield.h"
 
 namespace chromeos {
 
 // Class that represents textfield with margin that is proportional to the text
 // height.
 class TextfieldWithMargin : public views::Textfield {
  public:
   TextfieldWithMargin();
   explicit TextfieldWithMargin(views::Textfield::StyleFlags style);
 
  protected:
   // Overridden from views::View:
-  virtual void Layout();
-  virtual bool OnKeyPressed(const views::KeyEvent& e);
+  virtual void Layout() OVERRIDE;
+  virtual bool OnKeyPressed(const views::KeyEvent& e) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TextfieldWithMargin);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_TEXTFIELD_WITH_MARGIN_H_