Fix crash in DialogClientView caused by recursion of Close calls. When migrating from Window to DialogClientView, I neglected to insert the check into this function to see if the dialog had already been accepted by the user before trying to abort.
Fix crash in DialogClientView caused by recursion of Close calls. When migrating from Window to DialogClientView, I neglected to insert the check into this function to see if the dialog had already been accepted by the user before trying to abort.

B=1304032

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@244 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

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