Add methods for telling V8 how much memory audio/video is using.

media/renderers/video_renderer_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/renderers/video_renderer_impl.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
@@ skipping 532 matching lines @@
 
 void VideoRendererImpl::UpdateStats_Locked() {
   lock_.AssertAcquired();
   DCHECK_GE(frames_decoded_, 0);
   DCHECK_GE(frames_dropped_, 0);
 
   if (frames_decoded_ || frames_dropped_) {
     PipelineStatistics statistics;
     statistics.video_frames_decoded = frames_decoded_;
     statistics.video_frames_dropped = frames_dropped_;
+    statistics.video_memory_usage = algorithm_->GetMemoryUsage();
     task_runner_->PostTask(FROM_HERE, base::Bind(statistics_cb_, statistics));
 
     frames_decoded_ = 0;
     frames_dropped_ = 0;
   }
 }
 
 void VideoRendererImpl::MaybeStopSinkAfterFirstPaint() {
   DCHECK(task_runner_->BelongsToCurrentThread());
 
@@ skipping 62 matching lines @@
 base::TimeTicks VideoRendererImpl::ConvertMediaTimestamp(
     base::TimeDelta media_time) {
   std::vector<base::TimeDelta> media_times(1, media_time);
   std::vector<base::TimeTicks> wall_clock_times;
   if (!wall_clock_time_cb_.Run(media_times, &wall_clock_times))
     return base::TimeTicks();
   return wall_clock_times[0];
 }
 
 }  // namespace media