Make dialogs have titlebars (fallout from bug 41741, fixes bugs 50388, 50389, 50738, 50739, 50747). Simple addition of "titlebar" to chrome flags.

suite/browser/navigator.js

@@ -875,7 +875,7 @@ function RevealSearchPanel()
   function BrowserOpenWindow()
   {
     //opens a window where users can select a web location to open
-    window.openDialog( "chrome://navigator/content/openLocation.xul", "_blank", "chrome,modal", appCore );
+    window.openDialog( "chrome://navigator/content/openLocation.xul", "_blank", "chrome,modal,titlebar", appCore );
   }
 
   /* Called from the openLocation dialog. This allows that dialog to instruct