fix #27429, html wrapper methods pass incorrect number of arguments

pkg/dev_compiler/test/browser/language_tests.js

Index: pkg/dev_compiler/test/browser/language_tests.js
diff --git a/pkg/dev_compiler/test/browser/language_tests.js b/pkg/dev_compiler/test/browser/language_tests.js
index 872dd2157e3307a1c259f32e6eb956440a3efb94..76bac0f4aec3914a9b07aa49fb1404b4e1d770d8 100644
--- a/pkg/dev_compiler/test/browser/language_tests.js
+++ b/pkg/dev_compiler/test/browser/language_tests.js
@@ -36,7 +36,7 @@ define(['dart_sdk', 'async_helper', 'expect', 'unittest', 'require'],
   // The number of expected unittest errors should be zero but unfortunately
   // there are a lot of broken html unittests.
   let num_expected_unittest_fails = 3;
-  let num_expected_unittest_errors = 2;
+  let num_expected_unittest_errors = 0;
 
   // TODO(jmesserly): separate StrongModeError from other errors.
   let all_status = {