Bug 597029 - timeout in browser_privatebrowsing_forgetthissite.js; r=dolske a=NPOTB

browser/components/privatebrowsing/test/browser/browser_privatebrowsing_forgetthissite.js

@@ -59,9 +59,7 @@ function test() {
 
       Services.ww.unregisterNotification(observer);
       let organizer = aSubject.QueryInterface(Ci.nsIDOMWindow);
-      organizer.addEventListener("load", function onLoad(event) {
-        organizer.removeEventListener("load", onLoad, false);
-        executeSoon(function () {
+      SimpleTest.waitForFocus(function() {
           // Select History in the left pane.
           let PO = organizer.PlacesOrganizer;
           PO.selectLeftPaneQuery('History');
@@ -92,13 +90,13 @@ function test() {
             // Proceed
             funcNext();
           }, false);
-          let event = document.createEvent("MouseEvents");
-          event.initMouseEvent("contextmenu", true, true, organizer, 0,
-                               0, 0, 0, 0, false, false, false, false,
-                               0, null);
-          tree.dispatchEvent(event);
-        });
-      }, false);
+          // Get cell coordinates
+          var x = {}, y = {}, width = {}, height = {};
+          tree.treeBoxObject.getCoordsForCellItem(0, tree.columns[0], "text",
+                                                  x, y, width, height);
+          // Initiate a context menu for the selected cell
+          EventUtils.synthesizeMouse(tree.body, x + 4, y + 4, {type: "contextmenu"}, organizer);
+      }, organizer);
     }
 
     Services.ww.registerNotification(observer);