Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/cast/sender/h264_vt_encoder_unittest.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 <stdint.h>
 
 #include <queue>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 112 matching lines @@
   };
   std::queue<Expectation> expectations_;
 
   DISALLOW_COPY_AND_ASSIGN(MetadataRecorder);
 };
 
 class EndToEndFrameChecker
     : public base::RefCountedThreadSafe<EndToEndFrameChecker> {
  public:
   explicit EndToEndFrameChecker(const VideoDecoderConfig& config)
-      : decoder_(make_scoped_refptr(new media::MediaLog())),
-        count_frames_checked_(0) {
+      : decoder_(&media_log_), count_frames_checked_(0) {
     bool decoder_init_result;
     decoder_.Initialize(
         config, false, nullptr,
         base::Bind(&SaveDecoderInitResult, &decoder_init_result),
         base::Bind(&EndToEndFrameChecker::CompareFrameWithExpected,
                    base::Unretained(this)));
     base::RunLoop().RunUntilIdle();
     EXPECT_TRUE(decoder_init_result);
   }
 
@@ skipping 17 matching lines @@
   }
 
   void DecodeDone(DecodeStatus status) { EXPECT_EQ(DecodeStatus::OK, status); }
 
   int count_frames_checked() const { return count_frames_checked_; }
 
  private:
   friend class base::RefCountedThreadSafe<EndToEndFrameChecker>;
   virtual ~EndToEndFrameChecker() {}
 
+  MediaLog media_log_;
   FFmpegVideoDecoder decoder_;
   std::queue<scoped_refptr<VideoFrame>> expectations_;
   int count_frames_checked_;
 
   DISALLOW_COPY_AND_ASSIGN(EndToEndFrameChecker);
 };
 
 void CreateFrameAndMemsetPlane(VideoFrameFactory* const video_frame_factory) {
   const scoped_refptr<media::VideoFrame> video_frame =
       video_frame_factory->MaybeCreateFrame(
@@ skipping 225 matching lines @@
       gfx::Size(kVideoWidth, kVideoHeight), base::TimeDelta()));
 
   // After a power resume event, the factory should produce frames right away
   // because the encoder re-initializes on its own.
   power_source_->GenerateResumeEvent();
   CreateFrameAndMemsetPlane(video_frame_factory.get());
 }
 
 }  // namespace cast
 }  // namespace media