GitLab

Fixes a thread-unsafe call to gfx::Image::AsNSImage on an image object
from a resource bundle owned by the UI thread.

Bug: 746815
Change-Id: I0eb06aab2823ff1b42c4fb35df3806f32169c744
Reviewed-on: https://chromium-review.googlesource.com/578539
Commit-Queue: Matt Giuca <mgiuca@chromium.org>
Reviewed-by: Trent Apted <tapted@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488586}