Add OVERRIDE to chrome/browser/.

chrome/browser/notifications/balloon_collection_impl.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.
 
 // Handles the visible notification (or balloons).
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_BALLOON_COLLECTION_IMPL_H_
 #define CHROME_BROWSER_NOTIFICATIONS_BALLOON_COLLECTION_IMPL_H_
 #pragma once
 
@@ skipping 28 matching lines @@
 #if USE_OFFSETS
                             , public MessageLoopForUI::Observer
 #endif
 {
  public:
   BalloonCollectionImpl();
   virtual ~BalloonCollectionImpl();
 
   // BalloonCollection interface.
   virtual void Add(const Notification& notification,
-                   Profile* profile);
-  virtual bool RemoveById(const std::string& id);
-  virtual bool RemoveBySourceOrigin(const GURL& source_origin);
-  virtual void RemoveAll();
-  virtual bool HasSpace() const;
-  virtual void ResizeBalloon(Balloon* balloon, const gfx::Size& size);
-  virtual void SetPositionPreference(PositionPreference position);
-  virtual void DisplayChanged();
-  virtual void OnBalloonClosed(Balloon* source);
-  virtual const Balloons& GetActiveBalloons();
+                   Profile* profile) OVERRIDE;
+  virtual bool RemoveById(const std::string& id) OVERRIDE;
+  virtual bool RemoveBySourceOrigin(const GURL& source_origin) OVERRIDE;
+  virtual void RemoveAll() OVERRIDE;
+  virtual bool HasSpace() const OVERRIDE;
+  virtual void ResizeBalloon(Balloon* balloon, const gfx::Size& size) OVERRIDE;
+  virtual void SetPositionPreference(PositionPreference position) OVERRIDE;
+  virtual void DisplayChanged() OVERRIDE;
+  virtual void OnBalloonClosed(Balloon* source) OVERRIDE;
+  virtual const Balloons& GetActiveBalloons() OVERRIDE;
 
   // content::NotificationObserver interface.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // MessageLoopForUI::Observer interface.
 #if defined(OS_WIN) || defined(TOUCH_UI) || defined(USE_AURA)
   virtual base::EventStatus WillProcessEvent(
       const base::NativeEvent& event) OVERRIDE;
@@ skipping 143 matching lines @@
   base::WeakPtrFactory<BalloonCollectionImpl> reposition_factory_;
 
   // Is the balloon collection currently listening for UI events?
   bool added_as_message_loop_observer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(BalloonCollectionImpl);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_BALLOON_COLLECTION_IMPL_H_