WebMediaPlayerImpl needs to own the audio source provider.

chrome/renderer/prerender/prerender_webmediaplayer.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/renderer/prerender/prerender_webmediaplayer.h"
 
 #include "chrome/common/prerender_messages.h"
 #include "content/public/renderer/render_view.h"
 #include "media/base/filter_collection.h"
 #include "media/base/media_log.h"
 #include "media/base/pipeline.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
 #include "webkit/media/webmediaplayer_delegate.h"
 
 namespace prerender {
 
 PrerenderWebMediaPlayer::PrerenderWebMediaPlayer(
     content::RenderView* render_view,
     WebKit::WebFrame* frame,
     WebKit::WebMediaPlayerClient* client,
     base::WeakPtr<webkit_media::WebMediaPlayerDelegate> delegate,
     media::FilterCollection* collection,
     WebKit::WebAudioSourceProvider* audio_source_provider,
+    media::AudioRendererSink* audio_renderer_sink,
     media::MessageLoopFactory* message_loop_factory,
     webkit_media::MediaStreamClient* media_stream_client,
     media::MediaLog* media_log)
     : RenderViewObserver(render_view),
       WebMediaPlayerImpl(frame,
                          client,
                          delegate,
                          collection,
                          audio_source_provider,
+                         audio_renderer_sink,
                          message_loop_factory,
                          media_stream_client,
                          media_log),
       is_prerendering_(true),
       url_loaded_(false),
       cors_mode_(CORSModeUnspecified) {
 }
 
 PrerenderWebMediaPlayer::~PrerenderWebMediaPlayer() {}
 
@@ skipping 32 matching lines @@
   // that enables prerendering.
   DCHECK(!is_prerendering);
   if (is_prerendering_ && !is_prerendering) {
     is_prerendering_ = false;
     if (url_to_load_.get())
       load(*url_to_load_, cors_mode_);
   }
 }
 
 } // namespace prerender