chrome: Use base::MessageLoop. (Part 3)

chrome/browser/task_manager/task_manager_unittest.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 "chrome/browser/task_manager/task_manager.h"
 
 #include <string>
 
 #include "base/message_loop.h"
 #include "base/process_util.h"
@@ skipping 93 matching lines @@
   EXPECT_EQ(l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT),
             model->GetResourceNetworkUsage(0));
   EXPECT_EQ(ASCIIToUTF16(kZeroCPUUsage), model->GetResourceCPUUsage(0));
 
   task_manager.RemoveResource(&resource2);
   EXPECT_EQ(0, model->ResourceCount());
 }
 
 // Tests that the model is calling Refresh() on its resources.
 TEST_F(TaskManagerTest, RefreshCalled) {
-  MessageLoop loop;
+  base::MessageLoop loop;
   TaskManager task_manager;
   TaskManagerModel* model = task_manager.model_;
   TestResource resource;
 
   task_manager.AddResource(&resource);
   ASSERT_FALSE(resource.refresh_called());
   model->update_state_ = TaskManagerModel::TASK_PENDING;
   model->Refresh();
   ASSERT_TRUE(resource.refresh_called());
   task_manager.RemoveResource(&resource);
 }