HW Video: Make media::VideoFrame handle the sync point of the compositor as well as webgl

media/base/video_frame_unittest.cc

Index: media/base/video_frame_unittest.cc
diff --git a/media/base/video_frame_unittest.cc b/media/base/video_frame_unittest.cc
index 05465d9b09dc1ec28751511bf97d205a71635378..328593a102ea5f5030b6976459b4dafb824a862e 100644
--- a/media/base/video_frame_unittest.cc
+++ b/media/base/video_frame_unittest.cc
@@ -266,7 +266,9 @@ TEST(VideoFrame, TextureNoLongerNeededCallbackAfterTakingAndReleasingMailbox) {
 
     // Finish using the mailbox_holder and drop our reference.
     sync_point = 10;
-    mailbox_holder->sync_point = sync_point;
+    frame->SetReleaseSyncPoint(1);
+    // The last sync point will be used.
+    frame->SetReleaseSyncPoint(sync_point);
   }
   EXPECT_EQ(sync_point, called_sync_point);
 }