Create task_manager namespace and wrap classes related to TaskManager with it.

chrome/browser/task_manager/task_manager_notification_resource_provider.h

Index: chrome/browser/task_manager/task_manager_notification_resource_provider.h
diff --git a/chrome/browser/task_manager/task_manager_notification_resource_provider.h b/chrome/browser/task_manager/task_manager_notification_resource_provider.h
deleted file mode 100644
index f6cc3905afc2262f2e23a56accd3a633ec354834..0000000000000000000000000000000000000000
--- a/chrome/browser/task_manager/task_manager_notification_resource_provider.h
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright 2013 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.
-
-#ifndef CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_NOTIFICATION_RESOURCE_PROVIDER_H_
-#define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_NOTIFICATION_RESOURCE_PROVIDER_H_
-
-#include <map>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "chrome/browser/task_manager/task_manager.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-
-class BalloonHost;
-class TaskManagerNotificationResource;
-
-class TaskManagerNotificationResourceProvider
-    : public TaskManager::ResourceProvider,
-      public content::NotificationObserver {
- public:
-  static TaskManagerNotificationResourceProvider* Create(
-      TaskManager* task_manager);
-
-  // TaskManager::ResourceProvider interface
-  virtual TaskManager::Resource* GetResource(int origin_pid,
-                                             int render_process_host_id,
-                                             int routing_id) OVERRIDE;
-  virtual void StartUpdating() OVERRIDE;
-  virtual void StopUpdating() OVERRIDE;
-
-  // content::NotificationObserver interface
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
- private:
-  explicit TaskManagerNotificationResourceProvider(TaskManager* task_manager);
-  virtual ~TaskManagerNotificationResourceProvider();
-
-  void AddToTaskManager(BalloonHost* balloon_host);
-  void RemoveFromTaskManager(BalloonHost* balloon_host);
-
-  TaskManager* task_manager_;
-
-  // Maps the actual resources (BalloonHost*) to the Task Manager resources.
-  std::map<BalloonHost*, TaskManagerNotificationResource*> resources_;
-
-  // A scoped container for notification registries.
-  content::NotificationRegistrar registrar_;
-
-  bool updating_;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskManagerNotificationResourceProvider);
-};
-
-#endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_NOTIFICATION_RESOURCE_PROVIDER_H_