Revert 175683 "Eliminate MediaPlayer & MediaPlayerClient abstrac..."

trunk/Source/platform/graphics/media/MediaPlayer.h

Index: trunk/Source/platform/graphics/media/MediaPlayer.h
===================================================================
--- trunk/Source/platform/graphics/media/MediaPlayer.h	(revision 175710)
+++ trunk/Source/platform/graphics/media/MediaPlayer.h	(working copy)
@@ -112,12 +112,20 @@
 
     virtual void load(blink::WebMediaPlayer::LoadType, const String& url, blink::WebMediaPlayer::CORSMode) = 0;
 
+    virtual double rate() const = 0;
+    virtual void setRate(double) = 0;
+
     enum NetworkState { Empty, Idle, Loading, Loaded, FormatError, NetworkError, DecodeError };
     virtual NetworkState networkState() const = 0;
 
     enum ReadyState  { HaveNothing, HaveMetadata, HaveCurrentData, HaveFutureData, HaveEnoughData };
     virtual ReadyState readyState() const = 0;
 
+    virtual double maxTimeSeekable() const = 0;
+    virtual PassRefPtr<TimeRanges> buffered() const = 0;
+
+    virtual bool didLoadingProgress() const = 0;
+
     virtual void paint(GraphicsContext*, const IntRect&) = 0;
     virtual bool copyVideoTextureToPlatformTexture(blink::WebGraphicsContext3D*, Platform3DObject, GC3Dint, GC3Denum, GC3Denum, bool, bool) = 0;