Revert unexpected commit r166346

This reverts commit 0f513626e150838f5e2913c95268a23bdb0f088d.

TBR=kinuko
NOTRY=yes

Review URL: https://codereview.chromium.org/153223004

git-svn-id: svn://svn.chromium.org/blink/trunk@166347 bbb929c8-8fbe-4397-9dbb-9b2b20218538