Hacking ffvp9 decoder support for profiling.

media/base/video_frame.h

Index: media/base/video_frame.h
diff --git a/media/base/video_frame.h b/media/base/video_frame.h
index 944a04018ca25c55a6fbd3d12e98b35374e35b77..c2f0b8ca49105c5508c5302957e151a7bd468b6c 100644
--- a/media/base/video_frame.h
+++ b/media/base/video_frame.h
@@ -34,8 +34,10 @@ namespace media {
 class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
  public:
   enum {
-    kFrameSizeAlignment = 16,
-    kFrameSizePadding = 16,
+    // These values are chosen according to like values in FFmpeg. See static
+    // asserts in ffmpeg_common.
+    kFrameSizeAlignment = 32,
+    kFrameSizePadding = 47,
     kFrameAddressAlignment = 32
   };