BUG=angle:519

Change-Id: I3d3d0746b2b3027d04c91cc5fdcd301930e3b22a
Reviewed-on: https://chromium-review.googlesource.com/178439Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>