Update the WebMediaSourceClientImpl & ChunkDemuxer to received explicit end of stream cancellation.

content/renderer/media/webmediasourceclient_impl.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBMEDIASOURCECLIENT_IMPL_H_
 #define CONTENT_RENDERER_MEDIA_WEBMEDIASOURCECLIENT_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 11 matching lines @@
   WebMediaSourceClientImpl(media::ChunkDemuxer* demuxer, media::LogCB log_cb);
   virtual ~WebMediaSourceClientImpl();
 
   // WebKit::WebMediaSourceClient implementation.
   virtual AddStatus addSourceBuffer(
       const WebKit::WebString& type,
       const WebKit::WebVector<WebKit::WebString>& codecs,
       WebKit::WebSourceBuffer** source_buffer) OVERRIDE;
   virtual double duration() OVERRIDE;
   virtual void setDuration(double duration) OVERRIDE;
-  virtual void endOfStream(EndOfStreamStatus status) OVERRIDE;
+  // TODO(acolwell): Remove this once endOfStream() is removed from Blink.
+  virtual void endOfStream(EndOfStreamStatus status) {
+    markEndOfStream(status);
+  }
+  virtual void markEndOfStream(EndOfStreamStatus status) OVERRIDE;
+  virtual void unmarkEndOfStream() OVERRIDE;
 
  private:
   media::ChunkDemuxer* demuxer_;  // Owned by WebMediaPlayerImpl.
   media::LogCB log_cb_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaSourceClientImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIASOURCECLIENT_IMPL_H_