Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/base/mock_filters.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_MOCK_FILTERS_H_
 #define MEDIA_BASE_MOCK_FILTERS_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 560 matching lines @@
   // StreamParser interface
   MOCK_METHOD8(
       Init,
       void(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));
+           MediaLog* media_log));
   MOCK_METHOD0(Flush, void());
   MOCK_METHOD2(Parse, bool(const uint8_t*, int));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockStreamParser);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_MOCK_FILTERS_H_