DevTools: Enable styles editing.
DevTools: Enable styles editing.

BUG=16194

Review URL: http://codereview.chromium.org/149524

git-svn-id: http://src.chromium.org/svn/trunk/src@20478 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8dd797505614a8b46c7ee7d103e35e62b41829a4
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