Propagate the encoded data length through OnDownloadData delegate method

content/renderer/media/buffered_resource_loader.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_BUFFERED_RESOURCE_LOADER_H_
 #define CONTENT_RENDERER_MEDIA_BUFFERED_RESOURCE_LOADER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 134 matching lines @@
       const WebKit::WebURLResponse& redirectResponse);
   virtual void didSendData(
       WebKit::WebURLLoader* loader,
       unsigned long long bytesSent,
       unsigned long long totalBytesToBeSent);
   virtual void didReceiveResponse(
       WebKit::WebURLLoader* loader,
       const WebKit::WebURLResponse& response);
   virtual void didDownloadData(
       WebKit::WebURLLoader* loader,
-      int data_length);
+      int data_length,
+      int encoded_data_length);
   virtual void didReceiveData(
       WebKit::WebURLLoader* loader,
       const char* data,
       int data_length,
       int encoded_data_length);
   virtual void didReceiveCachedMetadata(
       WebKit::WebURLLoader* loader,
       const char* data, int dataLength);
   virtual void didFinishLoading(
       WebKit::WebURLLoader* loader,
@@ skipping 158 matching lines @@
   float playback_rate_;
 
   scoped_refptr<media::MediaLog> media_log_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedResourceLoader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_BUFFERED_RESOURCE_LOADER_H_