Revert v8 version due to wave misbehaviour.
Revert v8 version due to wave misbehaviour.

Running the latest trunk version will cause an error when trying to
load wave. The error is caught by wave and asks you to refresh the
page which has no effect (i.e. the error message is still shown).

 
Review URL: http://codereview.chromium.org/2574001

git-svn-id: http://src.chromium.org/svn/trunk/src@48824 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 9ca7649b52363a19b5557b3c40b4e62e7c12435e
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