Auto-rebaseline for r157509

http://src.chromium.org/viewvc/blink?view=revision&revision=157509

BUG=281243
TBR=dongseong.hwang@intel.com

Review URL: https://codereview.chromium.org/23526032

git-svn-id: svn://svn.chromium.org/blink/trunk@157516 bbb929c8-8fbe-4397-9dbb-9b2b20218538