Revert of Import wpt@a99ba661fff2fb129894bdff21d63814d9b3f7e9

third_party/WebKit/LayoutTests/imported/wpt/html/dom/new-harness.js

 // We override only the things we need to -- the rest we'll just inherit from
 // original-harness.js.  Polymorphism, kind of.
-ReflectionHarness.conformanceTesting = true;
+ReflectionHarness.catchUnexpectedExceptions = false;
 
-ReflectionHarness.test = function(fun, description) {
+ReflectionHarness.test = function(expected, actual, description) {
+  test(function() {
+    assert_equals(expected, actual);
+  }, this.getTypeDescription() + ": " + description);
+  // This is the test suite that will rate conformance, so we don't want to
+  // bail out early if a test fails -- we want all tests to always run.
+  return true;
+}
+
+ReflectionHarness.run = function(fun, description) {
   test(fun, this.getTypeDescription() + ": " + description);
 }
 
-ReflectionHarness.assertEquals = assert_equals;
-
-ReflectionHarness.assertThrows = assert_throws;
+ReflectionHarness.testException = function(exceptionName, fn, description) {
+  test(function() {
+    assert_throws(exceptionName, fn);
+  }, this.getTypeDescription() + ": " + description);
+}