Remove unnecessary win_util from dom_ui.
Remove unnecessary win_util from dom_ui.

TBR=beng

Review URL: http://codereview.chromium.org/113175

git-svn-id: http://src.chromium.org/svn/trunk/src@15706 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: e456e9d260a99fcdeaca479e91a31e614c910dec
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