Update typeNameOf to treat Window as DOMWindow on Chrome.

frog/corejs.dart

 // Copyright (c) 2011, 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.
 
 /**
  * Generates JS helpers for dart:core. This used to be in a file "core.js".
  * Having them in Dart code means we can easily control which are generated.
  */
 // TODO(jmesserly): one idea to make this cleaner: put these as private "native"
 // methods somewhere in a library that we import. This would be rather elegant
@@ skipping 390 matching lines @@
       // the constructor name even for more specialized objects so
       // we have to fall through to the toString() based implementation
       // below in that case.
       if (typeof(name) == 'string' && name && name != 'Object') return name;
     }
     var string = Object.prototype.toString.call(obj);
     return string.substring(8, string.length - 1);
   }
 
   function chrome$typeNameOf() {
-    return this.constructor.name;
+    var name = this.constructor.name;
+    if (name == 'Window') return 'DOMWindow';
+    return name;
   }
 
   function firefox$typeNameOf() {
     var name = constructorNameWithFallback(this);
     if (name == 'Window') return 'DOMWindow';
     if (name == 'Document') return 'HTMLDocument';
     if (name == 'XMLDocument') return 'Document';
     return name;
   }
 
@@ skipping 160 matching lines @@
       bound.$length = Math.max(0, funcLength - (argsLength - 1));
       return bound;
     } else {
       var bound = function() {
         return func.apply(thisObj, arguments);
       };
       bound.$length = funcLength;
       return bound;
     }
   };""";