Vanquish the remnants of media::MessageLoopFactory.

chrome/renderer/prerender/prerender_webmediaplayer.cc

Index: chrome/renderer/prerender/prerender_webmediaplayer.cc
diff --git a/chrome/renderer/prerender/prerender_webmediaplayer.cc b/chrome/renderer/prerender/prerender_webmediaplayer.cc
index 54b6dd7eb0e949ce52a491a0aa191425ebd7ee9f..02400b52a20365787f813d2aa21c35453f99c1c0 100644
--- a/chrome/renderer/prerender/prerender_webmediaplayer.cc
+++ b/chrome/renderer/prerender/prerender_webmediaplayer.cc
@@ -19,20 +19,18 @@ PrerenderWebMediaPlayer::PrerenderWebMediaPlayer(
     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,
+    const scoped_refptr<media::GpuVideoDecoder::Factories>& gpu_factories,
     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,
+                         gpu_factories,
                          media_stream_client,
                          media_log),
       is_prerendering_(true),