Observatory: Fix left over from class not being a ServiceObject

runtime/bin/vmservice/client/lib/src/elements/function_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 function_view_element;
 
 import 'observatory_element.dart';
 import 'package:observatory/service.dart';
 
 import 'package:polymer/polymer.dart';
 
 @CustomTag('function-view')
 class FunctionViewElement extends ObservatoryElement {
   @published ServiceMap function;
   FunctionViewElement.created() : super.created();
 
   // TODO(turnidge): Once we create a Function object, these fields
   // should move there.
   @published String qualifiedName;
   @published String kind;
 
   String _getQualifiedName(ServiceMap function) {
     var parent = (function != null && function['parent'] != null
                   ? function['parent'] : null);
     if (parent != null) {
       return "${_getQualifiedName(parent)}.${function['user_name']}";
     }
-    var cls = (function != null &&
-               function['owner'] != null &&
-               function['owner'].serviceType == 'Class'
-               ? function['owner'] : null);
+    Class cls = (function != null &&
+                 function['owner'] != null &&
+                 function['owner'].serviceType == 'Class'
+                   ? function['owner'] : null);
     if (cls != null) {
-      return "${cls['user_name']}.${function['user_name']}";
+      return "${cls.name}.${function['user_name']}";
     }
     return "${function['user_name']}";
   }
 
   void functionChanged(oldValue) {
     notifyPropertyChange(#qualifiedName, 0, 1);
     notifyPropertyChange(#kind, 0, 1);
     qualifiedName = _getQualifiedName(function);
     switch(function['kind']) {
       case 'kRegularFunction':
@@ skipping 35 matching lines @@
       default:
         kind = 'UNKNOWN';
         break;
     }
   }
 
   void refresh(var done) {
     function.reload().whenComplete(done);
   }
 }