Implement Chromium version of WebCore::MediaPlayer::mediaTimeForTimeValue()

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 228 matching lines @@
   // them from members which would cause race conditions.
   virtual WebKit::WebMediaPlayer::NetworkState networkState() const;
   virtual WebKit::WebMediaPlayer::ReadyState readyState() const;
 
   virtual unsigned long long bytesLoaded() const;
   virtual unsigned long long totalBytes() const;
 
   virtual bool hasSingleSecurityOrigin() const;
   virtual WebKit::WebMediaPlayer::MovieLoadType movieLoadType() const;
 
+  virtual float mediaTimeForTimeValue(float timeValue) const;
+
   virtual unsigned decodedFrameCount() const;
   virtual unsigned droppedFrameCount() const;
   virtual unsigned audioDecodedByteCount() const;
   virtual unsigned videoDecodedByteCount() const;
 
   virtual WebKit::WebVideoFrame* getCurrentFrame();
   virtual void putCurrentFrame(WebKit::WebVideoFrame* web_video_frame);
 
   // As we are closing the tab or even the browser, |main_loop_| is destroyed
   // even before this object gets destructed, so we need to know when
@@ skipping 68 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_