GitLab

ToggleInlineSettings assumed |settings_row_| to exist. However, it
wasn't always the case.

TEST=manual
BUG=829240

Change-Id: I0a95bf830f616fd7c380fdf19009da00f53ba3b3
Reviewed-on: https://chromium-review.googlesource.com/1053933Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Tetsui Ohkubo <tetsui@chromium.org>
Cr-Commit-Position: refs/heads/master@{#557941}