Allow CastContentBrowserClient to customise media pipeline device

chromecast/browser/media/media_pipeline_host.cc

 // Copyright 2014 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 "chromecast/browser/media/media_pipeline_host.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 34 matching lines @@
 
   for (MediaTrackMap::iterator it = media_track_map_.begin();
        it != media_track_map_.end(); ++it) {
     scoped_ptr<MediaTrackHost> media_track(it->second);
   }
   media_track_map_.clear();
 }
 
 void MediaPipelineHost::Initialize(
     LoadType load_type,
-    const MediaPipelineClient& client) {
+    const MediaPipelineClient& client,
+    const media::CreatePipelineDeviceCB& create_pipeline_device_cb) {
   DCHECK(thread_checker_.CalledOnValidThread());
   media_pipeline_.reset(new MediaPipelineImpl());
   MediaPipelineDeviceParams default_parameters;
   if (load_type == kLoadTypeMediaStream)
     default_parameters.sync_type = MediaPipelineDeviceParams::kModeIgnorePts;
   media_pipeline_->Initialize(
-      load_type,
-      CreateMediaPipelineDevice(default_parameters).Pass());
+      load_type, create_pipeline_device_cb.Run(default_parameters).Pass());
   media_pipeline_->SetClient(client);
 }
 
 void MediaPipelineHost::SetAvPipe(
     TrackId track_id,
     scoped_ptr<base::SharedMemory> shared_mem,
     const base::Closure& pipe_read_activity_cb,
     const base::Closure& av_pipe_set_cb) {
   DCHECK(thread_checker_.CalledOnValidThread());
   CHECK(track_id == kAudioTrackId || track_id == kVideoTrackId);
@@ skipping 90 matching lines @@
   if (it == media_track_map_.end())
     return;
 
   MediaTrackHost* media_track_host = it->second;
   if (!media_track_host->pipe_write_cb.is_null())
     media_track_host->pipe_write_cb.Run();
 }
 
 }  // namespace media
 }  // namespace chromecast
-