UX: hide "chrome://newtab/" in location bar.
UX: hide "chrome://newtab/" in location bar.

The location bar should be empty when user try to input a URL in new
tab.

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