Add OVERRIDE to webkit/.

webkit/tools/test_shell/accessibility_ui_element.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 WEBKIT_TOOLS_TEST_SHELL_ACCESSIBILITY_UI_ELEMENT_H_
 #define WEBKIT_TOOLS_TEST_SHELL_ACCESSIBILITY_UI_ELEMENT_H_
 
 #include "webkit/glue/cpp_bound_class.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebAccessibilityObject.h"
 
@@ skipping 96 matching lines @@
 };
 
 
 class RootAccessibilityUIElement : public AccessibilityUIElement {
  public:
   RootAccessibilityUIElement(
       const WebKit::WebAccessibilityObject& accessibility_object,
       Factory* factory);
   virtual ~RootAccessibilityUIElement();
 
-  virtual AccessibilityUIElement* GetChildAtIndex(unsigned index);
-  virtual bool IsRoot() const;
+  virtual AccessibilityUIElement* GetChildAtIndex(unsigned index) OVERRIDE;
+  virtual bool IsRoot() const OVERRIDE;
 };
 
 
 // Provides simple lifetime management of the AccessibilityUIElement instances:
 // all AccessibilityUIElements ever created from the controller are stored in
 // a list and cleared explicitly.
 class AccessibilityUIElementList : public AccessibilityUIElement::Factory {
  public:
   AccessibilityUIElementList();
   virtual ~AccessibilityUIElementList();
 
   void Clear();
   virtual AccessibilityUIElement* Create(
-      const WebKit::WebAccessibilityObject& object);
+      const WebKit::WebAccessibilityObject& object) OVERRIDE;
   AccessibilityUIElement* CreateRoot(
       const WebKit::WebAccessibilityObject& object);
 
  private:
   typedef std::vector<AccessibilityUIElement*> ElementList;
   ElementList elements_;
 };
 
 #endif  // WEBKIT_TOOLS_TEST_SHELL_ACCESSIBILITY_UI_ELEMENT_H_