Move the Mac Task Manager to the new backend code.

chrome/browser/task_management/task_manager_tester.cc

 // Copyright 2016 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_management/task_manager_tester.h"
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
@@ skipping 46 matching lines @@
   }
 
  private:
   ui::TableModel* model_to_intercept_;
   ui::TableModelObserver* real_table_model_observer_;
   base::Closure callback_;
 };
 
 }  // namespace
 
-// Implementation of TaskManagerTester for the 'new' TaskManager.
 class TaskManagerTesterImpl : public TaskManagerTester {
  public:
   explicit TaskManagerTesterImpl(const base::Closure& on_resource_change)
       : model_(GetRealModel()) {
     // Eavesdrop the model->view conversation, since the model only supports
     // single observation.
     if (!on_resource_change.is_null()) {
       interceptor_.reset(new ScopedInterceptTableModelObserver(
           model_, model_->table_model_observer_, on_resource_change));
     }
@@ skipping 72 matching lines @@
   // Returns the TaskManagerTableModel for the the visible NewTaskManagerView.
   static task_management::TaskManagerTableModel* GetRealModel() {
     return chrome::ShowTaskManager(nullptr);
   }
 
   task_management::TaskManagerTableModel* model_;
   std::unique_ptr<ScopedInterceptTableModelObserver> interceptor_;
 };
 
 // static
-std::unique_ptr<TaskManagerTester> TaskManagerTester::CreateDefault(
+std::unique_ptr<TaskManagerTester> TaskManagerTester::Create(
     const base::Closure& callback) {
   return base::WrapUnique(new TaskManagerTesterImpl(callback));
 }
 
 }  // namespace task_management