Mark fast/css/last-of-type-pseudo-class.html as flakey on mac debug.
Mark fast/css/last-of-type-pseudo-class.html as flakey on mac debug.

On the Webkit Mac10.5 (dbg)(2) slave, this fails about half the time.

Also remove a test that doesn't exist (according to lint-test-files).

TBR=mark

Review URL: http://codereview.chromium.org/172054


git-svn-id: http://src.chromium.org/svn/trunk/src@23554 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 76d02ad84252eb67f4ccc3ed8b0033ccc51201a1
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser