Unreviewed gardening. More windows baseline problems.

These arrow pixels keep showing up. Odd.

BUG=335472
TBR=tkent@chromium.org,ojan@chromium.org

Review URL: https://codereview.chromium.org/149443006

git-svn-id: svn://svn.chromium.org/blink/trunk@166046 bbb929c8-8fbe-4397-9dbb-9b2b20218538