Convert MediaLog from being ref counted to owned by WebMediaPlayer.

chromecast/media/service/cast_mojo_media_client.h

 // 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.
 
 #ifndef CHROMECAST_MEDIA_SERVICE_CAST_MOJO_MEDIA_CLIENT_H_
 #define CHROMECAST_MEDIA_SERVICE_CAST_MOJO_MEDIA_CLIENT_H_
 
 #include "media/mojo/services/mojo_media_client.h"
 
 namespace chromecast {
@@ skipping 14 matching lines @@
                       VideoModeSwitcher* video_mode_switcher,
                       VideoResolutionPolicy* video_resolution_policy,
                       MediaResourceTracker* media_resource_tracker);
   ~CastMojoMediaClient() override;
 
   // MojoMediaClient overrides.
   void Initialize(service_manager::Connector* connector) override;
   scoped_refptr<::media::AudioRendererSink> CreateAudioRendererSink(
       const std::string& audio_device_id) override;
   std::unique_ptr<::media::RendererFactory> CreateRendererFactory(
-      const scoped_refptr<::media::MediaLog>& media_log) override;
+      ::media::MediaLog* media_log) override;
   std::unique_ptr<::media::CdmFactory> CreateCdmFactory(
       service_manager::mojom::InterfaceProvider* host_interfaces) override;
 
  private:
   service_manager::Connector* connector_;
   MediaPipelineBackendFactory* const backend_factory_;
   const CreateCdmFactoryCB create_cdm_factory_cb_;
   VideoModeSwitcher* video_mode_switcher_;
   VideoResolutionPolicy* video_resolution_policy_;
   MediaResourceTracker* media_resource_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(CastMojoMediaClient);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_MEDIA_SERVICE_CAST_MOJO_MEDIA_CLIENT_H_