Auto-rebaseline for r176972

http://src.chromium.org/viewvc/blink?view=revision&revision=176972

BUG=388676
TBR=ed@opera.com

Review URL: https://codereview.chromium.org/335123009

git-svn-id: svn://svn.chromium.org/blink/trunk@177010 bbb929c8-8fbe-4397-9dbb-9b2b20218538