Add OVERRIDE where possible in HTMLMediaElement and children

Source/core/html/HTMLVideoElement.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 47 matching lines @@
     // See more details at MediaPlayer::copyVideoTextureToPlatformTexture() defined in Source/WebCore/platform/graphics/MediaPlayer.h.
     bool copyVideoTextureToPlatformTexture(GraphicsContext3D*, Platform3DObject texture, GC3Dint level, GC3Denum type, GC3Denum internalFormat, bool premultiplyAlpha, bool flipY);
 
     bool shouldDisplayPosterImage() const { return displayMode() == Poster || displayMode() == PosterWaitingForVideo; }
 
     KURL posterImageURL() const;
 
 private:
     HTMLVideoElement(const QualifiedName&, Document&, bool);
 
-    virtual bool rendererIsNeeded(const RenderStyle&);
-    virtual RenderObject* createRenderer(RenderStyle*);
+    virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
+    virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
     virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
     virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE;
-    virtual bool isVideo() const { return true; }
-    virtual bool hasVideo() const { return player() && player()->hasVideo(); }
-    virtual bool supportsFullscreen() const;
+    virtual bool isVideo() const OVERRIDE { return true; }
+    virtual bool hasVideo() const OVERRIDE { return player() && player()->hasVideo(); }
+    virtual bool supportsFullscreen() const OVERRIDE;
     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
     virtual const AtomicString imageSourceURL() const OVERRIDE;
 
     virtual bool hasAvailableVideoFrame() const;
-    virtual void updateDisplayState();
+    virtual void updateDisplayState() OVERRIDE;
     virtual void didMoveToNewDocument(Document& oldDocument) OVERRIDE;
-    virtual void setDisplayMode(DisplayMode);
+    virtual void setDisplayMode(DisplayMode) OVERRIDE;
 
     OwnPtr<HTMLImageLoader> m_imageLoader;
 
     AtomicString m_defaultPosterURL;
 };
 
 inline bool isHTMLVideoElement(const Node* node)
 {
     return node->hasTagName(HTMLNames::videoTag);
 }
 
 inline bool isHTMLVideoElement(const Element* element)
 {
     return element->hasTagName(HTMLNames::videoTag);
 }
 
 DEFINE_NODE_TYPE_CASTS(HTMLVideoElement, hasTagName(HTMLNames::videoTag));
 
 } //namespace
 
 #endif