Remove test that v8Intl symbol exists, as we don't define it anymore.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/21511002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16013 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix incorrect #ifdef statements for I18N support.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/21509002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16014 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Move helper methods from i18n extension into runtime.

BUG=v8:2475
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21499003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16015 ce2b1a6d-e550-0410-aec6-3dcde31c8c00