Change top of search engine dialog to reflect newest omnibox.
Change top of search engine dialog to reflect newest omnibox.

BUG= 50095
TEST= new search engine dialog looks like current omnibox.
Review URL: http://codereview.chromium.org/3018041

git-svn-id: http://src.chromium.org/svn/trunk/src@55104 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 4803ee9013237dce6eb8dd4c0ebd66c96094eab3
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