GitLab

element_ can be null, so adding IsNull() checks to prevent crashes.

Bug: 862044

Change-Id: Ibcbf445684b6f221729e7a6f4259c84ed8ed8127
Reviewed-on: https://chromium-review.googlesource.com/1169435
Commit-Queue: Changwan Ryu <changwan@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582055}