Fix MSE GC, make it less aggressive, more spec-compliant

media/blink/webmediaplayer_impl.cc

 // Copyright 2013 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/blink/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 
@@ skipping 871 matching lines @@
     demuxer_.reset(new FFmpegDemuxer(media_task_runner_, data_source_.get(),
                                      encrypted_media_init_data_cb, media_log_));
   } else {
     DCHECK(!chunk_demuxer_);
     DCHECK(!data_source_);
 
     mse_log_cb = base::Bind(&MediaLog::AddLogEvent, media_log_);
 
     chunk_demuxer_ = new ChunkDemuxer(
         BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDemuxerOpened),
-        encrypted_media_init_data_cb, mse_log_cb, media_log_, true);
+        encrypted_media_init_data_cb, mse_log_cb,
+        base::Bind(&Pipeline::GetMediaTime, base::Unretained(&pipeline_)),
+        media_log_, true);
     demuxer_.reset(chunk_demuxer_);
   }
 
   // ... and we're ready to go!
   seeking_ = true;
 
   pipeline_.Start(
       demuxer_.get(),
       renderer_factory_->CreateRenderer(
           media_task_runner_, audio_source_provider_.get(), compositor_),
@@ skipping 105 matching lines @@
 
   // pause() may be called after playback has ended and the HTMLMediaElement
   // requires that currentTime() == duration() after ending.  We want to ensure
   // |paused_time_| matches currentTime() in this case or a future seek() may
   // incorrectly discard what it thinks is a seek to the existing time.
   paused_time_ =
       ended_ ? pipeline_.GetMediaDuration() : pipeline_.GetMediaTime();
 }
 
 }  // namespace media