Auto-rebaseline for r166708

http://src.chromium.org/viewvc/blink?view=revision&revision=166708

BUG=340639
TBR=marja@chromium.org

Review URL: https://codereview.chromium.org/158023002

git-svn-id: svn://svn.chromium.org/blink/trunk@166744 bbb929c8-8fbe-4397-9dbb-9b2b20218538