Auto-rebaseline for r177870

http://src.chromium.org/viewvc/blink?view=revision&revision=177870

BUG=259352
TBR=a.bah@samsung.com

Review URL: https://codereview.chromium.org/384913002

git-svn-id: svn://svn.chromium.org/blink/trunk@177877 bbb929c8-8fbe-4397-9dbb-9b2b20218538