Fix for FileReader.readAsArrayBuffer http://dartbug.com/17058

tools/dom/templates/html/impl/impl_FileReader.darttemplate

-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2014, 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.
 
 part of $LIBRARYNAME;
 
 @DocsEditable()
 $(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
-$!MEMBERS
 
 $if DART2JS
-  @DomName('Location.origin')
-  String get origin {
-    if (JS('bool', '("origin" in #)', this)) {
-      return JS('String', '#.origin', this);
+  @DomName('FileReader.result')
+  @DocsEditable()
+  Object get result {
+    var res = JS('Null|String|NativeByteBuffer', '#.result', this);
+    if (res is ByteBuffer) {
+      return new Uint8List.view(res);
     }
-    return '${this.protocol}//${this.host}';
+    return res;
   }
 $endif
+
+$!MEMBERS
 }