This is the first pass at making GetIPConfigs asynchronous.

chromeos/dbus/shill_manager_client.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/dbus/shill_manager_client.h"
 
 #include "base/bind.h"
 #include "base/chromeos/chromeos_version.h"
 #include "base/message_loop.h"
 #include "base/values.h"
@@ skipping 344 matching lines @@
     AddService("stub_wifi2", true);
     AddService("stub_cellular1", true);
 
     // Stub Technologies
     AddTechnology(flimflam::kTypeEthernet, true);
     AddTechnology(flimflam::kTypeWifi, true);
     AddTechnology(flimflam::kTypeCellular, true);
   }
 
   void PassStubProperties(const DictionaryValueCallback& callback) const {
-    callback.Run(DBUS_METHOD_CALL_SUCCESS, stub_properties_);
+    scoped_ptr<base::DictionaryValue> properties_copy(
+        stub_properties_.DeepCopy());
+    callback.Run(DBUS_METHOD_CALL_SUCCESS, properties_copy.Pass());
   }
 
   void NotifyObserversPropertyChanged(const std::string& property) {
     base::Value* value = NULL;
     if (!stub_properties_.GetWithoutPathExpansion(property, &value)) {
       LOG(ERROR) << "Notify for unknown property: " << property;
       return;
     }
     FOR_EACH_OBSERVER(ShillPropertyChangedObserver,
                       observer_list_,
@@ skipping 30 matching lines @@
 ShillManagerClient* ShillManagerClient::Create(
     DBusClientImplementationType type,
     dbus::Bus* bus) {
   if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
     return new ShillManagerClientImpl(bus);
   DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
   return new ShillManagerClientStubImpl();
 }
 
 }  // namespace chromeos