WIP: Option2: Android media: VideoFrame should not store so many sync points.

content/renderer/media/rtc_video_decoder.cc

Index: content/renderer/media/rtc_video_decoder.cc
diff --git a/content/renderer/media/rtc_video_decoder.cc b/content/renderer/media/rtc_video_decoder.cc
index 3987767b353d1adabd16b73f3b297c3edf49d043..9d931a2b36ec7272fa34509a145d2f452cd19c80 100644
--- a/content/renderer/media/rtc_video_decoder.cc
+++ b/content/renderer/media/rtc_video_decoder.cc
@@ -639,11 +639,15 @@ void RTCVideoDecoder::ReleaseMailbox(
     const scoped_refptr<media::GpuVideoAcceleratorFactories>& factories,
     int64 picture_buffer_id,
     uint32 texture_id,
-    const std::vector<uint32>& release_sync_points) {
+    const std::map<std::string, uint32>& release_sync_points) {
   DCHECK(factories->GetTaskRunner()->BelongsToCurrentThread());
 
-  for (size_t i = 0; i < release_sync_points.size(); i++)
-    factories->WaitSyncPoint(release_sync_points[i]);
+  for (std::map<std::string, uint32>::const_iterator iter =
+           release_sync_points.begin();
+       iter != release_sync_points.end();
+       iter++) {
+    factories->WaitSyncPoint(iter->second);
+  }
 
   if (decoder) {
     decoder->ReusePictureBuffer(picture_buffer_id);