Type-related fixes

pkg/dev_compiler/test/browser/language_tests.js

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 define(['dart_sdk', 'async_helper', 'expect', 'unittest', 'require'],
       function(dart_sdk, async_helper, expect, unittest, require) {
   'use strict';
 
   async_helper = async_helper.async_helper;
   let minitest = expect.minitest;
@@ skipping 618 matching lines @@
       'new_instance_with_type_arguments_test': fail,
       'null2_test': fail,
       'null_test': fail,
       'other_declarations_location_test': fail,
       'parameter_annotation_mirror_test': fail,
       'parameter_is_const_test_none_multi': fail,
       'parameter_metadata_test': fail,
       'private_class_field_test': fail,
       'private_symbol_mangling_test': fail,
       'private_types_test': fail,
-      'proxy_type_test': fail,
       'raw_type_test_01_multi': fail,
       'raw_type_test_none_multi': fail,
       'reflect_class_test_none_multi': fail,
       'reflect_runtime_type_test': fail,
       'reflect_uninstantiated_class_test': fail,
       'reflected_type_classes_test_none_multi': fail,
       'reflected_type_function_type_test': fail,
       'reflected_type_special_types_test': fail,
       'reflected_type_test_none_multi': fail,
       'reflected_type_typedefs_test': fail,
       'reflected_type_typevars_test': fail,
       'reflectively_instantiate_uninstantiated_class_test': fail,
       'regress_14304_test': fail,
       'regress_26187_test': fail,
       'relation_assignable_test': fail,
       'relation_subtype_test': fail,
-      'runtime_type_test': fail,
       'set_field_with_final_test': fail,
-      'superclass2_test': fail,
       'symbol_validation_test_01_multi': fail,
       'symbol_validation_test_none_multi': fail,
       'to_string_test': fail,
       'type_argument_is_type_variable_test': fail,
       'type_variable_is_static_test': fail,
       'type_variable_owner_test_01_multi': fail,
       'type_variable_owner_test_none_multi': fail,
       'typedef_deferred_library_test': skip_fail,  // Isolate spawn not support
       'typedef_library_test': fail,
       'typedef_metadata_test': fail,
@@ skipping 163 matching lines @@
 
     for (let action of unittest_tests) {
       try {
         action();
       } catch (e) {
         console.error("Caught error tying to setup test:", e);
       }
     }
   });
 });