Auto-rebaseline for r178669

http://src.chromium.org/viewvc/blink?view=revision&revision=178669

BUG=394081
TBR=dominik.rottsches@intel.com

Review URL: https://codereview.chromium.org/414613003

git-svn-id: svn://svn.chromium.org/blink/trunk@178716 bbb929c8-8fbe-4397-9dbb-9b2b20218538