Make sure that mWebShell has the Show() method called on it when mWindow does. This fixes the xlib gray screen and should allow some hacks to be removed from the gtk code. Checkin approved by hyatt and cyeh.

xpfe/appshell/src/nsWebShellWindow.cpp

@@ -1818,6 +1818,7 @@ nsWebShellWindow::OnEndDocumentLoad(nsIDocumentLoader* loader,
   
   // Always show the window at this point.
   mWindow->Show(PR_TRUE);
+  mWebShell->Show();
 
   return NS_OK;
 }