Remove DemuxerFactory and URL parameter from Pipeline.

media/filters/ffmpeg_demuxer.h

Index: media/filters/ffmpeg_demuxer.h
diff --git a/media/filters/ffmpeg_demuxer.h b/media/filters/ffmpeg_demuxer.h
index 711e609b92bfde2930b828ddefdffda53091785d..c26664e2a4fbd0a16f9d85c821a965806751f919 100644
--- a/media/filters/ffmpeg_demuxer.h
+++ b/media/filters/ffmpeg_demuxer.h
@@ -130,16 +130,16 @@ class FFmpegDemuxerStream : public DemuxerStream {
 
 class MEDIA_EXPORT FFmpegDemuxer : public Demuxer, public FFmpegURLProtocol {
  public:
-  FFmpegDemuxer(MessageLoop* message_loop, bool local_source);
+  FFmpegDemuxer(MessageLoop* message_loop,
+                const scoped_refptr<DataSource>& data_source,
+                bool local_source);
   virtual ~FFmpegDemuxer();
 
   // Posts a task to perform additional demuxing.
   virtual void PostDemuxTask();
 
-  void Initialize(
-      DataSource* data_source, const PipelineStatusCB& status_cb);
-
   // Demuxer implementation.
+  virtual void Initialize(const PipelineStatusCB& status_cb) OVERRIDE;
   virtual void Stop(const base::Closure& callback) OVERRIDE;
   virtual void Seek(base::TimeDelta time, const PipelineStatusCB& cb) OVERRIDE;
   virtual void OnAudioRendererDisabled() OVERRIDE;
@@ -171,8 +171,7 @@ class MEDIA_EXPORT FFmpegDemuxer : public Demuxer, public FFmpegURLProtocol {
   FRIEND_TEST_ALL_PREFIXES(FFmpegDemuxerTest, ProtocolRead);
 
   // Carries out initialization on the demuxer thread.
-  void InitializeTask(
-      DataSource* data_source, const PipelineStatusCB& status_cb);
+  void InitializeTask(const PipelineStatusCB& status_cb);
 
   // Carries out a seek on the demuxer thread.
   void SeekTask(base::TimeDelta time, const PipelineStatusCB& cb);