Auto-rebaseline for r175434

http://src.chromium.org/viewvc/blink?view=revision&revision=175434

BUG=378489
TBR=leviw@chromium.org

Review URL: https://codereview.chromium.org/313803005

git-svn-id: svn://svn.chromium.org/blink/trunk@175450 bbb929c8-8fbe-4397-9dbb-9b2b20218538