Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/formats/mp4/mp4_stream_parser.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/mp4/mp4_stream_parser.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <memory>
@@ skipping 77 matching lines @@
 MP4StreamParser::~MP4StreamParser() {}
 
 void MP4StreamParser::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) {
   DCHECK_EQ(state_, kWaitingForInit);
   DCHECK(init_cb_.is_null());
   DCHECK(!init_cb.is_null());
   DCHECK(!config_cb.is_null());
   DCHECK(!new_buffers_cb.is_null());
   DCHECK(!encrypted_media_init_data_cb.is_null());
   DCHECK(!new_segment_cb.is_null());
   DCHECK(!end_of_segment_cb.is_null());
 
   ChangeState(kParsingBoxes);
@@ skipping 668 matching lines @@
       runs.AdvanceSample();
     }
     runs.AdvanceRun();
   }
 
   return true;
 }
 
 }  // namespace mp4
 }  // namespace media