[chromecast] Bind and run mojo media services on cma thread.

media/mojo/services/test_mojo_media_client.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 "media/mojo/services/test_mojo_media_client.h"
 
 #include "media/audio/audio_manager_base.h"
 #include "media/audio/audio_output_stream_sink.h"
 #include "media/base/audio_hardware_config.h"
 #include "media/base/media.h"
 #include "media/base/null_video_sink.h"
 #include "media/cdm/default_cdm_factory.h"
 #include "media/renderers/default_renderer_factory.h"
 #include "media/renderers/gpu_video_accelerator_factories.h"
 
 namespace media {
 
-TestMojoMediaClient::TestMojoMediaClient() {}
+TestMojoMediaClient::TestMojoMediaClient() : MojoMediaClient(nullptr) {}
 
 TestMojoMediaClient::~TestMojoMediaClient() {}
 
 void TestMojoMediaClient::Initialize() {
   InitializeMediaLibrary();
   // TODO(dalecurtis): We should find a single owner per process for the audio
   // manager or make it a lazy instance.  It's not safe to call Get()/Create()
   // across multiple threads...
   //
   // TODO(dalecurtis): Eventually we'll want something other than a fake audio
@@ skipping 34 matching lines @@
   return video_renderer_sink_.get();
 }
 
 scoped_ptr<CdmFactory> TestMojoMediaClient::CreateCdmFactory(
     mojo::shell::mojom::InterfaceProvider* /* interface_provider */) {
   DVLOG(1) << __FUNCTION__;
   return make_scoped_ptr(new DefaultCdmFactory());
 }
 
 }  // namespace media