Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/formats/mpeg/mpeg_audio_stream_parser_base.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/formats/mpeg/mpeg_audio_stream_parser_base.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 51 matching lines @@
 MPEGAudioStreamParserBase::~MPEGAudioStreamParserBase() {}
 
 void MPEGAudioStreamParserBase::Init(
     const InitCB& init_cb,
     const NewConfigCB& config_cb,
     const NewBuffersCB& new_buffers_cb,
     bool ignore_text_tracks,
     const EncryptedMediaInitDataCB& encrypted_media_init_data_cb,
     const NewMediaSegmentCB& new_segment_cb,
     const EndMediaSegmentCB& end_of_segment_cb,
-    const scoped_refptr<MediaLog>& media_log) {
+    MediaLog* media_log) {
   DVLOG(1) << __func__;
   DCHECK_EQ(state_, UNINITIALIZED);
   init_cb_ = init_cb;
   config_cb_ = config_cb;
   new_buffers_cb_ = new_buffers_cb;
   new_segment_cb_ = new_segment_cb;
   end_of_segment_cb_ = end_of_segment_cb;
   media_log_ = media_log;
 
   ChangeState(INITIALIZED);
@@ skipping 327 matching lines @@
   if (end_of_segment) {
     in_media_segment_ = false;
     end_of_segment_cb_.Run();
   }
 
   timestamp_helper_->SetBaseTimestamp(base::TimeDelta());
   return true;
 }
 
 }  // namespace media