Remove unused code; the code that now implements this is in chrome_browser_window.mm as of r28613.
Remove unused code; the code that now implements this is in chrome_browser_window.mm as of r28613.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/304001

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@29406 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser