Add OVERRIDE to content/.

content/browser/tab_contents/tab_contents_observer.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_TAB_CONTENTS_TAB_CONTENTS_OBSERVER_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_OBSERVER_H_
 
 #include "base/process_util.h"
 #include "content/browser/tab_contents/navigation_controller.h"
 #include "content/common/content_export.h"
@@ skipping 76 matching lines @@
   virtual void LoadingStateChanged(TabContents* contents) { }
   // Called to inform the delegate that the tab content's navigation state
   // changed. The |changed_flags| indicates the parts of the navigation state
   // that have been updated, and is any combination of the
   // |TabContents::InvalidateTypes| bits.
   virtual void NavigationStateChanged(const TabContents* source,
                                       unsigned changed_flags) { }
 #endif
 
   // IPC::Message::Sender implementation.
-  virtual bool Send(IPC::Message* message);
+  virtual bool Send(IPC::Message* message) OVERRIDE;
   int routing_id() const;
 
  protected:
   // Use this constructor when the object is tied to a single TabContents for
   // its entire lifetime.
   explicit TabContentsObserver(TabContents* tab_contents);
 
   // Use this constructor when the object wants to observe a TabContents for
   // part of its lifetime.  It can then call Observe() to start and stop
   // observing.
   TabContentsObserver();
 
   virtual ~TabContentsObserver();
 
   // Start observing a different TabContents; used with the default constructor.
   void Observe(TabContents* tab_contents);
 
   // Invoked when the TabContents is being destroyed. Gives subclasses a chance
   // to cleanup. At the time this is invoked |tab_contents()| returns NULL.
   // It is safe to delete 'this' from here.
   virtual void TabContentsDestroyed(TabContents* tab);
 
   // IPC::Channel::Listener implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   TabContents* tab_contents() const { return tab_contents_; }
 
  private:
   friend class TabContents;
 
   // Invoked from TabContents. Invokes TabContentsDestroyed and NULL out
   // |tab_contents_|.
   void TabContentsDestroyed();
 
   TabContents* tab_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsObserver);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_OBSERVER_H_