Do not include a, area, or frameset in the window's named properties

Aligns the tests with the spec as of whatwg/html#1869. See discussion in whatwg/html#1810.

html/browsers/the-window-object/named-access-on-the-window-object/named-objects.html

@@ -33,30 +33,28 @@
 }, "Check if the first nested browsing context is returned by window['c']");
 
 test(function() {
-  assert_equals(window['a'].length, 7, "The length should be 7.");
+  assert_equals(window['a'].length, 5, "The length should be 5.");
   assert_true(window['a'] instanceof HTMLCollection);
   assert_array_equals(window['a'],
-                      [ document.getElementById('a1'), document.getElementById('app1'),
-                        document.getElementById('area1'), document.getElementById('embed1'),
+                      [ document.getElementById('app1'), document.getElementById('embed1'),
                         document.getElementById('form1'), document.getElementById('img1'),
                         document.getElementById('obj1') ],
                       "The elements are not in tree order.");
 
-  document.getElementById('a1').setAttribute("name", "");
-  document.getElementById('area1').setAttribute("name", "");
+  document.getElementById('form1').setAttribute("name", "");
+  document.getElementById('embed1').setAttribute("name", "");
   assert_array_equals(window['a'],
-                      [ document.getElementById('app1'), document.getElementById('embed1'),
-                        document.getElementById('form1'), document.getElementById('img1'),
+                      [ document.getElementById('app1'), document.getElementById('img1'),
                         document.getElementById('obj1') ],
                       "Window['a'] should not contain the elements with empty name attribute.");
-}, "Check if window['a'] contains all a, applet, area, embed, form, img, and object elements, and their order");
+}, "Check if window['a'] contains all applet, embed, form, img, and object elements, and their order");
 
-var t = async_test("Check if window['fs'] return the frameset element with name='fs'");
+var t = async_test("Check that window['fs'] does not return the frameset element with name='fs' (historical)");
 function on_load () {
   t.step(function () {
     assert_equals(document.getElementById('fm2').contentWindow['fs'],
-                  document.getElementById('fm2').contentDocument.getElementById('fs1'),
-                  "The frameset element should be returned.");
+                  undefined,
+                  "The frameset element should not be returned.");
   });
   t.done();
 }