Auto-rebaseline for r173455

http://src.chromium.org/viewvc/blink?view=revision&revision=173455

BUG=367632
TBR=habib.virji@samsung.com

Review URL: https://codereview.chromium.org/276443002

git-svn-id: svn://svn.chromium.org/blink/trunk@173521 bbb929c8-8fbe-4397-9dbb-9b2b20218538