Add WebKit prefix to MediaSource,SourceBuffer, and SourceBufferList objects.

Source/WebKit/chromium/src/WebMediaPlayerClientImpl.h

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 74 matching lines @@
     virtual void keyNeeded(const WebString& keySystem, const WebString& sessionId, const unsigned char* initData, unsigned initDataLength);
     virtual WebPlugin* createHelperPlugin(const WebString& pluginType, WebFrame*);
     virtual void closeHelperPlugin();
     virtual bool needsWebLayerForVideo() const;
     virtual void setWebLayer(WebLayer*);
     virtual void addTextTrack(WebInbandTextTrack*);
     virtual void removeTextTrack(WebInbandTextTrack*);
 
     // MediaPlayerPrivateInterface methods:
     virtual void load(const WTF::String& url);
-    virtual void load(const WTF::String& url, PassRefPtr<WebCore::MediaSource>);
+    virtual void load(const WTF::String& url, PassRefPtr<WebCore::WebKitMediaSource>);
 
     virtual void cancelLoad();
     virtual WebKit::WebLayer* platformLayer() const;
     virtual WebCore::PlatformMedia platformMedia() const;
     virtual void play();
     virtual void pause();
     virtual void prepareToPlay();
     virtual bool supportsFullscreen() const;
     virtual bool supportsSave() const;
     virtual WebCore::IntSize naturalSize() const;
@@ skipping 123 matching lines @@
         virtual void provideInput(WebCore::AudioBus*, size_t framesToProcess);
 
     private:
         WebAudioSourceProvider* m_webAudioSourceProvider;
         OwnPtr<AudioClientImpl> m_client;
     };
 
     AudioSourceProviderImpl m_audioSourceProvider;
 #endif
 
-    RefPtr<WebCore::MediaSource> m_mediaSource;
+    RefPtr<WebCore::WebKitMediaSource> m_mediaSource;
 };
 
 } // namespace WebKit
 
 #endif