Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/filters/decrypting_demuxer_stream.cc

 // 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.
 
 #include "media/filters/decrypting_demuxer_stream.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/media_log.h"
 #include "media/base/media_util.h"
 
 namespace media {
 
 static bool IsStreamValid(DemuxerStream* stream) {
   return ((stream->type() == DemuxerStream::AUDIO &&
            stream->audio_decoder_config().IsValidConfig()) ||
           (stream->type() == DemuxerStream::VIDEO &&
            stream->video_decoder_config().IsValidConfig()));
 }
 
 DecryptingDemuxerStream::DecryptingDemuxerStream(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
-    const scoped_refptr<MediaLog>& media_log,
+    MediaLog* media_log,
     const base::Closure& waiting_for_decryption_key_cb)
     : task_runner_(task_runner),
       media_log_(media_log),
       state_(kUninitialized),
       waiting_for_decryption_key_cb_(waiting_for_decryption_key_cb),
       demuxer_stream_(NULL),
       decryptor_(NULL),
       key_added_while_decrypt_pending_(false),
       weak_factory_(this) {}
 
@@ skipping 337 matching lines @@
       break;
     }
 
     default:
       NOTREACHED();
       return;
   }
 }
 
 }  // namespace media