Revert v8 update since it caused regressions.
Revert v8 update since it caused regressions.

git-svn-id: http://src.chromium.org/svn/trunk/src@1606 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b2e3c6d57c498469c242cf2b9f6d52ed14f79d5c
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