GitLab

Reproduced the crash locally, but it needs a little bit more work
to write a test, this patch has fix only, following up patch will
add test.

Bug: 792327
Change-Id: I76d8dbc51b84b0aca87f09e162fc97d870881ca9
Reviewed-on: https://chromium-review.googlesource.com/813195Reviewed-by: Mathieu Perreault <mathp@chromium.org>
Reviewed-by: Roger McFarlane <rogerm@chromium.org>
Commit-Queue: Tao Bai <michaelbai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#522459}