Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/formats/mp4/aac.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/aac.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "media/base/bit_reader.h"
 #include "media/formats/mp4/rcheck.h"
 #include "media/formats/mpeg/adts_constants.h"
 
 namespace media {
 namespace mp4 {
 
 AAC::AAC()
     : profile_(0), frequency_index_(0), channel_config_(0), frequency_(0),
       extension_frequency_(0), channel_layout_(CHANNEL_LAYOUT_UNSUPPORTED) {
 }
 
 AAC::AAC(const AAC& other) = default;
 
 AAC::~AAC() {
 }
 
-bool AAC::Parse(const std::vector<uint8_t>& data,
-                const scoped_refptr<MediaLog>& media_log) {
+bool AAC::Parse(const std::vector<uint8_t>& data, MediaLog* media_log) {
 #if defined(OS_ANDROID)
   codec_specific_data_ = data;
 #endif
   if (data.empty())
     return false;
 
   BitReader reader(&data[0], data.size());
   uint8_t extension_type = 0;
   bool ps_present = false;
   uint8_t extension_frequency_index = 0xff;
@@ skipping 214 matching lines @@
 
     RCHECK(bit_reader->ReadBits(1, &dummy));  // extensionFlag3
   }
 
   return true;
 }
 
 }  // namespace mp4
 
 }  // namespace media