Add OVERRIDE to chrome/browser/chromeos/.

chrome/browser/chromeos/login/wizard_accessibility_handler.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_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HANDLER_H_
 #pragma once
 
 #include <string>
 
+#include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 
 class AccessibilityControlInfo;
 class AccessibilityTextBoxInfo;
 
 namespace chromeos {
 
@@ skipping 15 matching lines @@
 // Class that handles the accessibility notifications and generates
 // appropriate spoken/audio feedback.
 class WizardAccessibilityHandler : public content::NotificationObserver {
  public:
   WizardAccessibilityHandler() { }
 
  private:
   // Override from content::NotificationObserver.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
+                       const content::NotificationDetails& details) OVERRIDE;
 
   // Get text to speak and an earcon identifier (which may be NONE) for any
   // accessibility event.
   void DescribeAccessibilityEvent(int event_type,
                                   const AccessibilityControlInfo* control_info,
                                   std::string* out_spoken_description,
                                   EarconType* out_earcon);
 
   // Get text to speak and an optional earcon identifier, specifically for
   // a focus or select accessibility event on a control.
@@ skipping 30 matching lines @@
   friend class WizardAccessibilityHandlerTest;
   FRIEND_TEST_ALL_PREFIXES(WizardAccessibilityHandlerTest, TestFocusEvents);
   FRIEND_TEST_ALL_PREFIXES(WizardAccessibilityHandlerTest, TestTextEvents);
 
   DISALLOW_COPY_AND_ASSIGN(WizardAccessibilityHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HANDLER_H_