bug 154485, p3p icon only takes effect on new windows, r=sgehani, sr=jag

suite/common/permissions/cookieTasksOverlay.xul

@@ -91,9 +91,12 @@
       // make sure p3p dll exists, else we can't keep pref set
       if (!("@mozilla.org/cookie-consent;1" in Components.classes)) {
         gPref.setIntPref("network.cookie.cookieBehavior", 0);
-      } else {
+      }
+    }
 
-        // p3p pref is set so create an observer for changes in visibility of cookie icon
+    if ("@mozilla.org/cookie-consent;1" in Components.classes) {
+
+      // p3p dll exists so create an observer for changes in visibility of cookie icon
       var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
       observerService.addObserver(cookieIconObserver, "cookieIcon", false);
 
@@ -101,7 +104,7 @@
       // we need to wait until window is created before displaying icon
       addEventListener("load", listener, false);
     }
-    }
+
   ]]>
   </script>