Auto-rebaseline for r179998

http://src.chromium.org/viewvc/blink?view=revision&revision=179998

BUG=369942
TBR=pdr@chromium.org

Review URL: https://codereview.chromium.org/466573002

git-svn-id: svn://svn.chromium.org/blink/trunk@180012 bbb929c8-8fbe-4397-9dbb-9b2b20218538