Update V8 in Chromium to version 1.2.6.
Update V8 in Chromium to version 1.2.6.

This fixes a number of issue, and provides some additional support and fixes needed for the dev tools.
Review URL: http://codereview.chromium.org/115921

git-svn-id: http://src.chromium.org/svn/trunk/src@17181 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 51477996063d00174e43a7b4412f6a98bea31657
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