Improve script display in the observatory.

runtime/bin/vmservice/client/lib/src/elements/script_view.dart

 // Copyright (c) 2013, 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.
 
 library script_view_element;
 
 import 'observatory_element.dart';
 import 'package:observatory/elements.dart';
 import 'package:observatory/service.dart';
 import 'package:polymer/polymer.dart';
 
 /// Displays an Script response.
 @CustomTag('script-view')
 class ScriptViewElement extends ObservatoryElement {
   @published Script script;
 
   ScriptViewElement.created() : super.created();
 
   @override
   void attached() {
     super.attached();
     if (script == null) {
       return;
     }
     script.load();
   }
 
+  int parseInt(String value) {

[Cutch, 2014/07/09 15:49:22]

These polymer expression utility functions usually hang off of
ObservatoryElement.

[turnidge, 2014/07/09 17:36:32]

Done.

+    return int.parse(value);
+  }
+
   void refresh(var done) {
     script.reload().whenComplete(done);
   }
 
   void refreshCoverage(var done) {
     script.refreshCoverage().whenComplete(done);
   }
 }