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..4e4b3199683e7a0f33e37f48fee7360be304417c 100644
--- a/content/renderer/media/rtc_video_decoder.cc
+++ b/content/renderer/media/rtc_video_decoder.cc
@@ -639,11 +639,9 @@ void RTCVideoDecoder::ReleaseMailbox(
     const scoped_refptr<media::GpuVideoAcceleratorFactories>& factories,
     int64 picture_buffer_id,
     uint32 texture_id,
-    const std::vector<uint32>& release_sync_points) {
+    uint32 release_sync_point) {
   DCHECK(factories->GetTaskRunner()->BelongsToCurrentThread());
-
-  for (size_t i = 0; i < release_sync_points.size(); i++)
-    factories->WaitSyncPoint(release_sync_points[i]);
+  factories->WaitSyncPoint(release_sync_point);
 
   if (decoder) {
     decoder->ReusePictureBuffer(picture_buffer_id);