Convert MediaLog from being ref counted to owned by WebMediaPlayer.

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 "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 44 matching lines @@
 }
 
 std::unique_ptr<VideoRendererSink> TestMojoMediaClient::CreateVideoRendererSink(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner) {
   return base::MakeUnique<NullVideoSink>(
       false, base::TimeDelta::FromSecondsD(1.0 / 60),
       NullVideoSink::NewFrameCB(), task_runner);
 }
 
 std::unique_ptr<RendererFactory> TestMojoMediaClient::CreateRendererFactory(
-    const scoped_refptr<MediaLog>& media_log) {
+    MediaLog* media_log) {
   return base::MakeUnique<DefaultRendererFactory>(
-      std::move(media_log), nullptr,
-      DefaultRendererFactory::GetGpuFactoriesCB());
+      media_log, nullptr, DefaultRendererFactory::GetGpuFactoriesCB());
 }
 
 std::unique_ptr<CdmFactory> TestMojoMediaClient::CreateCdmFactory(
     service_manager::mojom::InterfaceProvider* /* host_interfaces */) {
   DVLOG(1) << __func__;
   return base::MakeUnique<DefaultCdmFactory>();
 }
 
 }  // namespace media