Correction of return parameter validation for popup.getParentWindow, and extension.getPopupView.

chrome/test/data/extensions/api_test/popup_api/toolband.html

Index: chrome/test/data/extensions/api_test/popup_api/toolband.html
===================================================================
--- chrome/test/data/extensions/api_test/popup_api/toolband.html	(revision 32240)
+++ chrome/test/data/extensions/api_test/popup_api/toolband.html	(working copy)
@@ -5,6 +5,18 @@
 
 window.onload = function() {
   chrome.test.runTests([
+    function noPopup() {
+      chrome.test.assertTrue(
+          undefined === chrome.experimental.extension.getPopupView(),
+          "Popup view is defined when no popup shown.");
+      chrome.test.succeed();
+    },
+    function noParentWindow() {
+      chrome.test.assertTrue(
+          undefined === chrome.experimental.popup.getParentWindow(),
+          "Parent );
+      chrome.test.succeed();
+    },
     function show() {
       var showDetails = {
         "relativeTo": document.getElementById("anchorHere")