Add view for MegamorphicCache. Update view for ObjectPool.

runtime/observatory/lib/src/elements/service_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 service_object_view_element;
 
 import 'dart:html';
 import 'package:logging/logging.dart';
 import 'package:observatory/service.dart';
 import 'package:observatory/tracer.dart';
@@ skipping 71 matching lines @@
           switch (object.vmType) {
             case 'ICData':
               ICDataViewElement element = new Element.tag('icdata-view');
               element.icData = object;
               return element;
             case 'Instructions':
               InstructionsViewElement element =
                   new Element.tag('instructions-view');
               element.instructions = object;
               return element;
+            case 'MegamorphicCache':
+              MegamorphicCacheViewElement element =
+                  new Element.tag('megamorphiccache-view');
+              element.megamorphicCache = object;
+              return element;
             case 'ObjectPool':
               ObjectPoolViewElement element = new Element.tag('objectpool-view');
               element.pool = object;
               return element;
             default:
               ObjectViewElement element = new Element.tag('object-view');
               element.object = object;
               return element;
           }
         }(object);
@@ skipping 127 matching lines @@
 
   dynamic expander() {
     return expandEvent;
   }
 
   void expandEvent(bool exp, var done) {
     expand = exp;
     done();
   }
 }