Bug 349841: use the window watcher to launch the links from the about dialog instead of relying on window.opener, to ensure that the links work regardless of where the about dialog was opened from, r=mano

toolkit/content/globalOverlay.js

@@ -224,8 +224,16 @@ function visitLink(aEvent) {
   while (node.nodeType != Node.ELEMENT_NODE)
     node = node.parentNode;
   var url = node.getAttribute("link");
-  if (url != "")
-    top.opener.openNewWindowWith(url, null, false, false);
+  if (!url)
+    return;
+
+  var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
+                     .getService(Components.interfaces.nsIWindowWatcher);
+  var argstring = Components.classes["@mozilla.org/supports-string;1"]
+                            .createInstance(Components.interfaces.nsISupportsString);
+  argstring.data = url;
+  ww.openWindow(null, "chrome://browser/content/browser.xul", "_blank",
+                "chrome,all,dialog=no", argstring);
 }
 
 function isValidLeftClick(aEvent, aName)