BUG ID: Bugzilla bug 26791 [Gtk] Paste of rich text from firefox results garbled markup

# Paste rich text from firefox

STEPS TO TEST:

1. Launch FireFox to browse http://www.apple.com
2. Select that text or picture from FireFox page
3. Copy them use Ctrl-C / Option-C, (or just select them on Linux)
4. Back in WebkitGtk, click inside the EditableArea below,
5. Paste them use Ctrl-V / Option-V, (or just Middle Mouse Click on Linux)

Ensure that text or picture has been pasted with formats and no garbled.