Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/renderers/audio_renderer_impl.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/renderers/audio_renderer_impl.h"
 
 #include <math.h>
 #include <stddef.h>
 #include <algorithm>
 #include <utility>
@@ skipping 19 matching lines @@
 #include "media/base/timestamp_constants.h"
 #include "media/filters/audio_clock.h"
 #include "media/filters/decrypting_demuxer_stream.h"
 
 namespace media {
 
 AudioRendererImpl::AudioRendererImpl(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
     media::AudioRendererSink* sink,
     const CreateAudioDecodersCB& create_audio_decoders_cb,
-    const scoped_refptr<MediaLog>& media_log)
+    MediaLog* media_log)
     : task_runner_(task_runner),
       expecting_config_changes_(false),
       sink_(sink),
       media_log_(media_log),
       client_(nullptr),
       tick_clock_(new base::DefaultTickClock()),
       last_audio_memory_usage_(0),
       last_decoded_sample_rate_(0),
       last_decoded_channel_layout_(CHANNEL_LAYOUT_NONE),
       playback_rate_(0.0),
@@ skipping 958 matching lines @@
   // All channels with a zero mix are muted and can be ignored.
   std::vector<bool> channel_mask(audio_parameters_.channels(), false);
   for (size_t ch = 0; ch < matrix.size(); ++ch) {
     channel_mask[ch] = std::any_of(matrix[ch].begin(), matrix[ch].end(),
                                    [](float mix) { return !!mix; });
   }
   algorithm_->SetChannelMask(std::move(channel_mask));
 }
 
 }  // namespace media