Landing approved patch for Vincent Zanotti.
Landing approved patch for Vincent Zanotti.

Linux: really hides the tab close button when it should not be painted.

R=me

Original changelist is at http://codereview.chromium.org/113161
Review URL: http://codereview.chromium.org/113551

git-svn-id: http://src.chromium.org/svn/trunk/src@16328 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 962a29008764a36f2b49d53de3458bfc35b9451e
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