Mark media/video-zoom-controls.html as failing on Mac and Windows

BUG=636239
TBR=
NOTRY=TRUE

Review-Url: https://codereview.chromium.org/2228353002
Cr-Commit-Position: refs/heads/master@{#410988}
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index ebc4e90f..1fbae7a 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -143,6 +143,9 @@
 crbug.com/518915 [ Android ] accessibility/aria-labelledby-on-input.html [ Crash Pass ]
 crbug.com/445100 fast/block/float/marquee-shrink-to-avoid-floats.html [ Failure Pass ]
 
+crbug.com/636239 [ Mac10.11 Mac10.10 ] media/video-zoom-controls.html [ Failure ]
+crbug.com/636239 [ Win7 Debug ] media/video-zoom-controls.html [ Failure ]
+
 crbug.com/548226 [ Win ] fast/events/pointerevents/mouse-pointer-event-properties.html [ Failure Pass ]
 crbug.com/548226 [ Win ] fast/events/pointerevents/multi-pointer-preventdefault.html [ Failure Pass ]