Rebaselines for FreeType update.

With Chromium commit c3f2a80d86a152d75b9f73b55454e84af1b3757e
FreeType is updated to the version in Ubuntu Precise.

Revision 183577 rebaslined most of the affected pixel tests.
This cleans up the remaining changes.

git-svn-id: svn://svn.chromium.org/blink/trunk@183578 bbb929c8-8fbe-4397-9dbb-9b2b20218538