Add "copy url" to popup window menu.
Add "copy url" to popup window menu.

Also added "Close" as it is probably useful and pretty standard (on Windows this is a part of the default system contents for that menu).

BUG=55578
TEST=manual

Review URL: http://codereview.chromium.org/3412003

git-svn-id: http://src.chromium.org/svn/trunk/src@59449 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b57b6825958fc1b4ef64a5eedb8b6370471faa01
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