Import wpt@3801ab5834101113e5f53bfb57e3c76b2b87ecbb

third_party/WebKit/LayoutTests/imported/wpt/html/dom/documents/dom-tree-accessors/document.forms.html

Index: third_party/WebKit/LayoutTests/imported/wpt/html/dom/documents/dom-tree-accessors/document.forms.html
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/html/dom/documents/dom-tree-accessors/document.forms.html b/third_party/WebKit/LayoutTests/imported/wpt/html/dom/documents/dom-tree-accessors/document.forms.html
index 29a91e0e21b3328e42999de028b2e8a277c97d0e..3bb89f498c14c40281904854d144af08e93e7f6d 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt/html/dom/documents/dom-tree-accessors/document.forms.html
+++ b/third_party/WebKit/LayoutTests/imported/wpt/html/dom/documents/dom-tree-accessors/document.forms.html
@@ -53,6 +53,13 @@ test(function() {
   for (var p in document.forms) {
     result.push(p);
   }
+  // http://heycam.github.io/webidl/#property-enumeration
+  // If the object supports indexed properties, then the object’s supported
+  // property indices are enumerated first, in numerical order.
+  assert_array_equals(result.splice(0, 2), ["0", "1", "2"]);
+  // [...]
+  // Finally, any enumerable own properties or properties from the object’s
+  // prototype chain are then enumerated, in no defined order.
   assert_array_equals(result.sort(), ["0", "1", "2", "item", "namedItem", "length"].sort())
 }, "document.forms iteration")