Created attachment 206312 [details]
The following new reftests has different actual results than the expected. Text is shifted left, imagediff attached.
Tests skipped in https://trac.webkit.org/changeset/152492.
Please unsip them with proper fix.
That image diff isn't using the Ahem font. The test needs that font in order to work properly. Is that font not available on the QT Mountain Lion build?
The Qt Port doesn't exist anymore.