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

chrome/browser/task_manager/task_manager_background_resource_provider.h

Index: chrome/browser/task_manager/task_manager_background_resource_provider.h
diff --git a/chrome/browser/task_manager/task_manager_background_resource_provider.h b/chrome/browser/task_manager/task_manager_background_resource_provider.h
deleted file mode 100644
index f764c69f07f75757b1a21280b930723fc7e4881f..0000000000000000000000000000000000000000
--- a/chrome/browser/task_manager/task_manager_background_resource_provider.h
+++ /dev/null
@@ -1,64 +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_BACKGROUND_RESOURCE_PROVIDER_H_
-#define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_BACKGROUND_RESOURCE_PROVIDER_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "base/string16.h"
-#include "chrome/browser/task_manager/task_manager.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-
-class BackgroundContents;
-class TaskManagerBackgroundContentsResource;
-
-class TaskManagerBackgroundContentsResourceProvider
-    : public TaskManager::ResourceProvider,
-      public content::NotificationObserver {
- public:
-  explicit TaskManagerBackgroundContentsResourceProvider(
-      TaskManager* task_manager);
-
-  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 method:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
- private:
-  virtual ~TaskManagerBackgroundContentsResourceProvider();
-
-  void Add(BackgroundContents* background_contents, const string16& title);
-  void Remove(BackgroundContents* background_contents);
-
-  void AddToTaskManager(BackgroundContents* background_contents,
-                        const string16& title);
-
-  // Whether we are currently reporting to the task manager. Used to ignore
-  // notifications sent after StopUpdating().
-  bool updating_;
-
-  TaskManager* task_manager_;
-
-  // Maps the actual resources (the BackgroundContents) to the Task Manager
-  // resources.
-  typedef std::map<BackgroundContents*, TaskManagerBackgroundContentsResource*>
-      Resources;
-  Resources resources_;
-
-  // A scoped container for notification registries.
-  content::NotificationRegistrar registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskManagerBackgroundContentsResourceProvider);
-};
-
-#endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_BACKGROUND_RESOURCE_PROVIDER_H_