Create OpenClose browser test for TaskManager with necessary refactoring....

chrome/browser/task_manager.cc

 // Copyright (c) 2006-2008 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.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/compiler_specific.h"
 #include "base/process_util.h"
@@ skipping 692 matching lines @@
 
 TaskManager::~TaskManager() {
 }
 
 // static
 void TaskManager::Open() {
   TaskManager* task_manager = GetInstance();
   task_manager->view_->OpenWindow();
 }
 
+// static
 void TaskManager::Close() {
-  model_->StopUpdating();
-  model_->Clear();
+  TaskManager* task_manager = GetInstance();
+  task_manager->view_->CloseWindow();
 }
 
 // static
 void TaskManager::EnsureShutdown() {
   if (!initialized_)
     return;
 
   // TaskManager is a singleton, which means it's destroyed by AtExitManager.
   // At that point it can't register AtExit callbacks etc. It turns out that
   // view destruction code does it on Windows, so we destroy the view now.
@@ skipping 69 matching lines @@
 }
 
 void TaskManager::AddResource(Resource* resource) {
   model_->AddResource(resource);
 }
 
 void TaskManager::RemoveResource(Resource* resource) {
   model_->RemoveResource(resource);
 }
 
+void TaskManager::OnWindowClosed() {
+  model_->StopUpdating();
+  model_->Clear();
+}
+
 // static
 TaskManager* TaskManager::GetInstance() {
   return Singleton<TaskManager>::get();
 }