Revert 74574 - Update V8 to verstion 3.1.3
Revert 74574 - Update V8 to verstion 3.1.3

Trying to see if this is related to the media_unittests crash.

Review URL: http://codereview.chromium.org/6486026

TBR=ricow@chromium.org
Review URL: http://codereview.chromium.org/6504001

git-svn-id: http://src.chromium.org/svn/trunk/src@74638 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 5341968457af466fd824bfdd02cff58475922ef7
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