Add OVERRIDE to content/.

content/browser/renderer_host/render_view_host.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 64 matching lines @@
 }  // namespace WebKit
 
 // NotificationObserver used to listen for EXECUTE_JAVASCRIPT_RESULT
 // notifications.
 class ExecuteNotificationObserver : public content::NotificationObserver {
  public:
   explicit ExecuteNotificationObserver(int id);
   virtual ~ExecuteNotificationObserver();
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
+                       const content::NotificationDetails& details) OVERRIDE;
 
   int id() const { return id_; }
 
   Value* value() const { return value_.get(); }
 
  private:
   int id_;
   scoped_ptr<Value> value_;
 
   DISALLOW_COPY_AND_ASSIGN(ExecuteNotificationObserver);
@@ skipping 578 matching lines @@
   typedef std::map<int64, PowerSaveBlocker*> PowerSaveBlockerMap;
   PowerSaveBlockerMap power_save_blockers_;
 
   // A list of observers that filter messages.  Weak references.
   ObserverList<RenderViewHostObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_