Motown: Implement MediaTimelineController and use it.

services/media/factory_service/factory_service.cc

 // Copyright 2016 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 "services/media/factory_service/factory_service.h"
 #include "services/media/factory_service/media_decoder_impl.h"
 #include "services/media/factory_service/media_demux_impl.h"
 #include "services/media/factory_service/media_player_impl.h"
 #include "services/media/factory_service/media_sink_impl.h"
 #include "services/media/factory_service/media_source_impl.h"
+#include "services/media/factory_service/media_timeline_controller_impl.h"
 #include "services/media/factory_service/network_reader_impl.h"
 
 namespace mojo {
 namespace media {
 
 MediaFactoryService::MediaFactoryService() {}
 
 MediaFactoryService::~MediaFactoryService() {}
 
 bool MediaFactoryService::ConfigureIncomingConnection(
@@ skipping 36 matching lines @@
   AddProduct(
       MediaDecoderImpl::Create(input_media_type.Pass(), decoder.Pass(), this));
 }
 
 void MediaFactoryService::CreateNetworkReader(
     const String& url,
     InterfaceRequest<SeekingReader> reader) {
   AddProduct(NetworkReaderImpl::Create(url, reader.Pass(), this));
 }
 
+void MediaFactoryService::CreateTimelineController(
+    InterfaceRequest<MediaTimelineController> timeline_controller) {
+  AddProduct(
+      MediaTimelineControllerImpl::Create(timeline_controller.Pass(), this));
+}
+
 }  // namespace media
 }  // namespace mojo