Turn on most tests for posix.
Turn on most tests for posix.

git-svn-id: http://src.chromium.org/svn/trunk/src@839 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: fa92ed50ba3509a8b2c7f826b0a213b2b5319c99
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