Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/base/stream_parser.h

 // Copyright (c) 2012 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.
 
 #ifndef MEDIA_BASE_STREAM_PARSER_H_
 #define MEDIA_BASE_STREAM_PARSER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 110 matching lines @@
   // start time, and duration. If |ignore_text_track| is true, then no text
   // buffers should be passed later by the parser to |new_buffers_cb|.
   virtual void Init(
       const InitCB& init_cb,
       const NewConfigCB& config_cb,
       const NewBuffersCB& new_buffers_cb,
       bool ignore_text_track,
       const EncryptedMediaInitDataCB& encrypted_media_init_data_cb,
       const NewMediaSegmentCB& new_segment_cb,
       const EndMediaSegmentCB& end_of_segment_cb,
-      const scoped_refptr<MediaLog>& media_log) = 0;
+      MediaLog* media_log) = 0;
 
   // Called during the reset parser state algorithm.  This flushes the current
   // parser and puts the parser in a state where it can receive data.  This
   // method does not need to invoke the EndMediaSegmentCB since the parser reset
   // algorithm already resets the segment parsing state.
   virtual void Flush() = 0;
 
   // Called when there is new data to parse.
   //
   // Returns true if the parse succeeds.
@@ skipping 13 matching lines @@
 // in |merged_buffers| in this case. Returns true on success.
 // No validation of media type within the various buffer queues is done here.
 // TODO(wolenetz/acolwell): Merge incrementally in parsers to eliminate
 // subtle issues with tie-breaking. See http://crbug.com/338484.
 MEDIA_EXPORT bool MergeBufferQueues(const StreamParser::BufferQueueMap& buffers,
                                     StreamParser::BufferQueue* merged_buffers);
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_STREAM_PARSER_H_