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

chrome/browser/task_manager/task_manager_resource_util.h

-// 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_RESOURCE_UTIL_H_
-#define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_RESOURCE_UTIL_H_
-
-#include "base/basictypes.h"
-#include "base/string16.h"
-
-class Profile;
-
-namespace content {
-class WebContents;
-}
-
-class TaskManagerResourceUtil {
- public:
-  // Returns the appropriate message prefix ID for tabs and extensions,
-  // reflecting whether they are apps or in incognito mode.
-  static int GetMessagePrefixID(bool is_app,
-                                bool is_extension,
-                                bool is_incognito,
-                                bool is_prerender,
-                                bool is_instant_overlay,
-                                bool is_background);
-
-  // Returns the name of profle from InfoCache.
-  static string16 GetProfileNameFromInfoCache(Profile* profile);
-
-  // Returns the title from web contents.
-  static string16 GetTitleFromWebContents(content::WebContents* web_contents);
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(TaskManagerResourceUtil);
-};
-
-#endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_RESOURCE_UTIL_H_