DevTools: don't load base.js into injected script.
DevTools: don't load base.js into injected script.

Review URL: http://codereview.chromium.org/502052

git-svn-id: http://src.chromium.org/svn/trunk/src@34830 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 65d1e97f94b14ca0c43011a47e1406e072722c53
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