Auto-rebaseline for r159556

http://src.chromium.org/viewvc/blink?view=revision&revision=159556

BUG=301660
TBR=dstockwell@chromium.org

Review URL: https://codereview.chromium.org/26386006

git-svn-id: svn://svn.chromium.org/blink/trunk@159562 bbb929c8-8fbe-4397-9dbb-9b2b20218538