Make VideoDecoder use (kAborted, NULL) to signify an aborted decode, instead of (kOk, NULL).

media/filters/vpx_video_decoder.cc

Index: media/filters/vpx_video_decoder.cc
diff --git a/media/filters/vpx_video_decoder.cc b/media/filters/vpx_video_decoder.cc
index 0feaa0938cb44280a6bf5c75a70ceed81998811a..1d6d517fa419bb46685a3775b351727a84eb525a 100644
--- a/media/filters/vpx_video_decoder.cc
+++ b/media/filters/vpx_video_decoder.cc
@@ -207,7 +207,7 @@ void VpxVideoDecoder::Stop(const base::Closure& closure) {
     return;
 
   if (!decode_cb_.is_null()) {
-    base::ResetAndReturn(&decode_cb_).Run(kOk, NULL);
+    base::ResetAndReturn(&decode_cb_).Run(kAborted, NULL);
     // Reset is pending only when decode is pending.
     if (!reset_cb_.is_null())
       base::ResetAndReturn(&reset_cb_).Run();