Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/formats/webm/webm_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/webm/webm_stream_parser.h"
 
 #include <memory>
 #include <string>
 
 #include "base/callback.h"
@@ skipping 20 matching lines @@
 }
 
 void WebMStreamParser::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(kParsingHeaders);
@@ skipping 228 matching lines @@
 
   return bytes_parsed;
 }
 
 void WebMStreamParser::OnEncryptedMediaInitData(const std::string& key_id) {
   std::vector<uint8_t> key_id_vector(key_id.begin(), key_id.end());
   encrypted_media_init_data_cb_.Run(EmeInitDataType::WEBM, key_id_vector);
 }
 
 }  // namespace media