Implementing preload=metadata for video

webkit/glue/webmediaplayer_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.
 
 // Delegate calls from WebCore::MediaPlayerPrivate to Chrome's video player.
 // It contains PipelineImpl which is the actual media player pipeline, it glues
 // the media player pipeline, data source, audio renderer and renderer.
 // PipelineImpl would creates multiple threads and access some public methods
 // of this class, so we need to be extra careful about concurrent access of
 // methods and members.
@@ skipping 190 matching lines @@
   // Playback controls.
   virtual void play();
   virtual void pause();
   virtual bool supportsFullscreen() const;
   virtual bool supportsSave() const;
   virtual void seek(float seconds);
   virtual void setEndTime(float seconds);
   virtual void setRate(float rate);
   virtual void setVolume(float volume);
   virtual void setVisible(bool visible);
-  virtual bool setAutoBuffer(bool autoBuffer);
+  virtual bool setPreload(WebKit::WebMediaPlayer::Preload preload);
   virtual bool totalBytesKnown();
   virtual const WebKit::WebTimeRanges& buffered();
   virtual float maxTimeSeekable() const;
 
   // Methods for painting.
   virtual void setSize(const WebKit::WebSize& size);
 
   virtual void paint(WebKit::WebCanvas* canvas, const WebKit::WebRect& rect);
 
   // True if the loaded media has a playable video/audio track.
@@ skipping 105 matching lines @@
 #if WEBKIT_USING_CG
   scoped_ptr<skia::PlatformCanvas> skia_canvas_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_WEBMEDIAPLAYER_IMPL_H_