Auto-rebaseline for r159790

http://src.chromium.org/viewvc/blink?view=revision&revision=159790

BUG=306193
TBR=eae@chromium.org

Review URL: https://codereview.chromium.org/29143004

git-svn-id: svn://svn.chromium.org/blink/trunk@159958 bbb929c8-8fbe-4397-9dbb-9b2b20218538