Make Javascript alerts do IDN and proper handling of non-standard and file schemes.
Make Javascript alerts do IDN and proper handling of non-standard and file
schemes.

BUG=1323921,1323917



git-svn-id: http://src.chromium.org/svn/trunk/src@834 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8823208ceb3b9c1ae8cbdc81ed9eeba4989dc585
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