Add OVERRIDE to chrome/browser/ui/cocoa/.

chrome/browser/ui/cocoa/js_modal_dialog_cocoa.h

 // 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_UI_COCOA_JS_MODAL_DIALOG_COCOA_H_
 #define CHROME_BROWSER_UI_COCOA_JS_MODAL_DIALOG_COCOA_H_
 #pragma once
 
 #include "chrome/browser/ui/app_modal_dialogs/native_app_modal_dialog.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 
 #if __OBJC__
 @class NSAlert;
 @class JavaScriptAppModalDialogHelper;
 #else
 class NSAlert;
 class JavaScriptAppModalDialogHelper;
 #endif
 
 class JSModalDialogCocoa : public NativeAppModalDialog {
  public:
   explicit JSModalDialogCocoa(JavaScriptAppModalDialog* dialog);
   virtual ~JSModalDialogCocoa();
 
   // Overridden from NativeAppModalDialog:
-  virtual int GetAppModalDialogButtons() const;
-  virtual void ShowAppModalDialog();
-  virtual void ActivateAppModalDialog();
-  virtual void CloseAppModalDialog();
-  virtual void AcceptAppModalDialog();
-  virtual void CancelAppModalDialog();
+  virtual int GetAppModalDialogButtons() const OVERRIDE;
+  virtual void ShowAppModalDialog() OVERRIDE;
+  virtual void ActivateAppModalDialog() OVERRIDE;
+  virtual void CloseAppModalDialog() OVERRIDE;
+  virtual void AcceptAppModalDialog() OVERRIDE;
+  virtual void CancelAppModalDialog() OVERRIDE;
 
   JavaScriptAppModalDialog* dialog() const { return dialog_.get(); }
 
  private:
   scoped_ptr<JavaScriptAppModalDialog> dialog_;
 
   scoped_nsobject<JavaScriptAppModalDialogHelper> helper_;
   NSAlert* alert_; // weak, owned by |helper_|.
 
   DISALLOW_COPY_AND_ASSIGN(JSModalDialogCocoa);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_JS_MODAL_DIALOG_COCOA_H_