Fix table cpu profile to work properly with non-dart functions

runtime/observatory/lib/src/service/object.dart

 // 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 service;
 
 /// Helper function for canceling a Future<StreamSubscription>.
 Future cancelFutureSubscription(
     Future<StreamSubscription> subscriptionFuture) async {
   if (subscriptionFuture != null) {
@@ skipping 1096 matching lines @@
     params['isolateId'] = id;
     return vm.invokeRpcNoUpgrade(method, params);
   }
 
   Future<ServiceObject> invokeRpc(String method, Map params) {
     return invokeRpcNoUpgrade(method, params).then((ObservableMap response) {
       return getFromMap(response);
     });
   }
 
-  Future<ServiceObject> getObject(String objectId) {
+  Future<ServiceObject> getObject(String objectId, {bool reload: true}) {

[Cutch, 2015/08/13 13:43:13]

Not used but I added it while trying something out. Seems like it might be
useful.

     assert(objectId != null && objectId != '');
     var obj = _cache[objectId];
     if (obj != null) {
-      return obj.reload();
+      if (reload) {
+        return obj.reload();
+      }
+      // Returned cached object.
+      return new Future.value(obj);
     }
     Map params = {
       'objectId': objectId,
     };
     return isolate.invokeRpc('getObject', params);
   }
 
   Future<ObservableMap> _fetchDirect() {
     return invokeRpcNoUpgrade('getIsolate', {});
   }
@@ skipping 1247 matching lines @@
   @observable bool isOptimizable;
   @observable bool isInlinable;
   @observable FunctionKind kind;
   @observable int deoptimizations;
   @observable String qualifiedName;
   @observable int usageCounter;
   @observable bool isDart;
   @observable ProfileFunction profile;
   @observable Instance icDataArray;
 
+  bool get canCache => true;
   bool get immutable => false;
 
   ServiceFunction._empty(ServiceObject owner) : super._empty(owner);
 
   void _update(ObservableMap map, bool mapIsRef) {
     name = map['name'];
     vmName = (map.containsKey('vmName') ? map['vmName'] : name);
 
     _upgradeCollection(map, isolate);
 
@@ skipping 1301 matching lines @@
     var v = list[i];
     if ((v is ObservableMap) && _isServiceMap(v)) {
       list[i] = owner.getFromMap(v);
     } else if (v is ObservableList) {
       _upgradeObservableList(v, owner);
     } else if (v is ObservableMap) {
       _upgradeObservableMap(v, owner);
     }
   }
 }