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

lib/runtime/dart/_rtti.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.
 
 /* This library defines the association between runtime objects and
  * runtime types.
 */
 
 dart_library.library('dart/_rtti', null, /* Imports */[
 ], /* Lazy Imports */[
+  'dart/_utils',
   'dart/core',
   'dart/_types'
-], function(exports, core, types) {
+], function(exports, dart_utils, core, types) {
   'use strict';
 
   const defineLazyProperty = dart_utils.defineLazyProperty;
 
   const defineProperty = Object.defineProperty;
 
   /**
    * Runtime type information.  This module defines the mapping from
    * runtime objects to their runtime type information.  See the types
    * module for the definition of how type information is represented.
@@ skipping 144 matching lines @@
     function getter() {
       if (compute == null) return cache;
       cache = compute();
       compute = null;
       return cache;
     }
     tagComputed(value, getter);
   }
   exports.tagMemoized = tagMemoized;
 });