Move Pipeline permanent callbacks into Pipeline::Client interface.

media/filters/pipeline_controller.cc

Index: media/filters/pipeline_controller.cc
diff --git a/media/filters/pipeline_controller.cc b/media/filters/pipeline_controller.cc
index 4c7a896efea2b4b88c1148169ae81d7a78ea08e3..9444f3b1a653b7953bbba42ba787749d5fb032f0 100644
--- a/media/filters/pipeline_controller.cc
+++ b/media/filters/pipeline_controller.cc
@@ -36,16 +36,10 @@ PipelineController::~PipelineController() {
 
 // TODO(sandersd): If there is a pending suspend, don't call pipeline_.Start()
 // until Resume().
-void PipelineController::Start(
-    Demuxer* demuxer,
-    bool is_streaming,
-    bool is_static,
-    const base::Closure& ended_cb,
-    const PipelineMetadataCB& metadata_cb,
-    const BufferingStateCB& buffering_state_cb,
-    const base::Closure& duration_change_cb,
-    const AddTextTrackCB& add_text_track_cb,
-    const base::Closure& waiting_for_decryption_key_cb) {
+void PipelineController::Start(Demuxer* demuxer,
+                               Pipeline::Client* client,
+                               bool is_streaming,
+                               bool is_static) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(state_ == State::CREATED);
   DCHECK(demuxer);
@@ -58,13 +52,10 @@ void PipelineController::Start(
   demuxer_ = demuxer;
   is_streaming_ = is_streaming;
   is_static_ = is_static;
-  pipeline_->Start(
-      demuxer, renderer_factory_cb_.Run(), ended_cb,
-      BindToCurrentLoop(error_cb_),
-      BindToCurrentLoop(base::Bind(&PipelineController::OnPipelineStatus,
-                                   weak_factory_.GetWeakPtr(), State::PLAYING)),
-      metadata_cb, buffering_state_cb, duration_change_cb, add_text_track_cb,
-      waiting_for_decryption_key_cb);
+  pipeline_->Start(demuxer, renderer_factory_cb_.Run(), client,
+                   BindToCurrentLoop(
+                       base::Bind(&PipelineController::OnPipelineStatus,
+                                  weak_factory_.GetWeakPtr(), State::PLAYING)));
 }
 
 void PipelineController::Seek(base::TimeDelta time, bool time_updated) {