Add presubmit hook for new GYP files.

BUG=chromium:960215
TEST=manually tested with whitelisted and non-whitelisted project.

Change-Id: Ic22aff662eee06c1f8f47c7718ec9490f43adf95
Reviewed-on: https://chromium-review.googlesource.com/1598608
Commit-Ready: Keigo Oka <oka@chromium.org>
Tested-by: Keigo Oka <oka@chromium.org>
Reviewed-by: Shuhei Takahashi <nya@chromium.org>
Reviewed-by: Keigo Oka <oka@chromium.org>
1 file changed