Boolean attributes for Accessibility Object Model Phase 1

content/test/data/accessibility/aom/aom-expanded.html

Index: content/test/data/accessibility/aom/aom-expanded.html
diff --git a/content/test/data/accessibility/aom/aom-expanded.html b/content/test/data/accessibility/aom/aom-expanded.html
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index 0000000000000000000000000000000000000000..1911123a073ba98f2c6a99b4886f92b9fcb44b4c
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+++ b/content/test/data/accessibility/aom/aom-expanded.html
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+<!--
+@MAC-ALLOW:AXExpanded*
+@WIN-ALLOW:EXPANDED*
+@WIN-ALLOW:COLLAPSED*
+@WIN-ALLOW:HASPOPUP*
+@BLINK-ALLOW:expanded*
+-->
+<ul role="menu" style="list-style-type: none">
+  <li id="i1" role="menuitem" aria-haspopup="true">New</li>
+  <li id="i2" role="menuitem" aria-haspopup="true">Open</li>
+  <li id="i3" role="menuitem">Save</li>
+  <li id="i4" role="menuitem">Quit</li>
+
+  <script>
+    document.getElementById("i1").accessibleNode.expanded = false;
+    document.getElementById("i2").accessibleNode.expanded = true;
+    document.getElementById("i3").accessibleNode.expanded = false;
+    document.getElementById("i4").accessibleNode.expanded = true;
+  </script>
+</ul>