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

media/base/pipeline_status.h

 // 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.
 
 #ifndef MEDIA_BASE_PIPELINE_STATUS_H_
 #define MEDIA_BASE_PIPELINE_STATUS_H_
 
 #include "base/callback.h"
 
 #include <string>
@@ skipping 20 matching lines @@
   DEMUXER_ERROR_COULD_NOT_PARSE = 13,
   DEMUXER_ERROR_NO_SUPPORTED_STREAMS = 14,
   // Decoder related errors.
   DECODER_ERROR_NOT_SUPPORTED = 15,
   // Must be equal to the largest value ever logged.
   PIPELINE_STATUS_MAX = DECODER_ERROR_NOT_SUPPORTED,
 };
 
 typedef base::Callback<void(PipelineStatus)> PipelineStatusCB;
 
-// TODO(scherkus): this should be moved alongside host interface definitions.
 struct PipelineStatistics {
-  PipelineStatistics()
-      : audio_bytes_decoded(0),
-        video_bytes_decoded(0),
-        video_frames_decoded(0),
-        video_frames_dropped(0) {
-  }
-
-  uint32 audio_bytes_decoded;  // Should be uint64?
-  uint32 video_bytes_decoded;  // Should be uint64?
-  uint32 video_frames_decoded;
-  uint32 video_frames_dropped;
+  uint64_t audio_bytes_decoded = 0;  // Should be uint64?
+  uint32 video_bytes_decoded = 0;    // Should be uint64?
+  uint32 video_frames_decoded = 0;
+  uint32 video_frames_dropped = 0;
+  int64_t audio_memory_usage = 0;
+  int64_t video_memory_usage = 0;
 };
 
-// Used for updating pipeline statistics.
+// Used for updating pipeline statistics; the passed value should be a delta
+// of all attributes since the last update.
 typedef base::Callback<void(const PipelineStatistics&)> StatisticsCB;
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PIPELINE_STATUS_H_