Avoid inserting a redundant separator in status icon menu.
Avoid inserting a redundant separator in status icon menu.

When there is no application installed on chrome we are showing two separators instead of one
in the menu.

BUG=65648
TEST=see bug

Review URL: http://codereview.chromium.org/5513008

git-svn-id: http://src.chromium.org/svn/trunk/src@68928 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 83a607ae84225ba43a6dd5dce08d981a36604ca0
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