Use dartfmt on Observatory code

runtime/observatory/lib/src/elements/script_ref.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_ref_element;
 
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M show IsolateRef, ScriptRef;
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/helpers/uris.dart';
 
 class ScriptRefElement extends HtmlElement implements Renderable {
   static const tag = const Tag<ScriptRefElement>('script-ref');
 
   RenderingScheduler _r;
 
   Stream<RenderedEvent<ScriptRefElement>> get onRendered => _r.onRendered;
 
-
   M.IsolateRef _isolate;
   M.ScriptRef _script;
 
   M.IsolateRef get isolate => _isolate;
   M.ScriptRef get script => _script;
 
   factory ScriptRefElement(M.IsolateRef isolate, M.ScriptRef script,
-                           {RenderingQueue queue}) {
+      {RenderingQueue queue}) {
     assert(isolate != null);
     assert(script != null);
     ScriptRefElement e = document.createElement(tag.name);
     e._r = new RenderingScheduler(e, queue: queue);
     e._isolate = isolate;
     e._script = script;
     return e;
   }
 
   ScriptRefElement.created() : super.created();
@@ skipping 12 matching lines @@
   }
 
   void render() {
     children = [
       new AnchorElement(href: Uris.inspect(isolate, object: script))
         ..title = script.uri
         ..text = script.uri.split('/').last
     ];
   }
 }