Convert dart_utils.js to input_sdk/lib/_internal/utils.dart (#310)

lib/runtime/dart/_runtime.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.
 
 dart_library.library('dart/_runtime', null, /* Imports */[
+  'dart/_utils',
   'dart/_classes',
   'dart/_errors',
   'dart/_generators',
   'dart/_operations',
   'dart/_rtti',
   'dart/_types',
 ], /* Lazy Imports */[
   'dart/_js_helper'
-], function(exports, classes, errors, generators, operations, rtti, types,
+], function(exports, dart_utils, classes, errors, generators, operations, rtti, types,
     _js_helper) {
   'use strict';
 
   function _export(value) {
     if (value) return value;
     console.log("Re-exporting null field: " + name);
     throw "Bad export";
   }
 
   function exportFrom(value, names) {
@@ skipping 32 matching lines @@
     'virtualField'
   ]);
 
   exportFrom(generators, [
     'syncStar',
     'async',
     'asyncStar'
   ]);
 
   // From dart_utils
-  exportFrom(dart_utils, ['copyProperties', 'export']);
+  exportFrom(dart_utils, ['copyProperties', 'export_']);
   // Renames
   exports.defineLazyClass = _export(dart_utils.defineLazy);
   exports.defineLazyProperties = _export(dart_utils.defineLazy);
   exports.defineLazyClassGeneric = _export(dart_utils.defineLazyProperty);
 
   // From operations
   exportFrom(operations, [
     'JsIterator',
     'arity',
     'asInt',
@@ skipping 34 matching lines @@
   ]);
 
   // From rtti
   exportFrom(rtti, [
     'fn',
     'realRuntimeType',
     'runtimeType',
   ]);
 
 });