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

chrome/browser/task_manager/task_manager_os_resources_win.cc

-// 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.
-
-#include "chrome/browser/task_manager/task_manager_os_resources_win.h"
-
-void GetWinGDIHandles(base::ProcessHandle process,
-                      size_t* current,
-                      size_t* peak) {
-  *current = 0;
-  *peak = 0;
-  // Get a handle to |process| that has PROCESS_QUERY_INFORMATION rights.
-  HANDLE current_process = GetCurrentProcess();
-  HANDLE process_with_query_rights;
-  if (DuplicateHandle(current_process, process, current_process,
-                      &process_with_query_rights, PROCESS_QUERY_INFORMATION,
-                      false, 0)) {
-    *current = GetGuiResources(process_with_query_rights, GR_GDIOBJECTS);
-    *peak = GetGuiResources(process_with_query_rights, GR_GDIOBJECTS_PEAK);
-    CloseHandle(process_with_query_rights);
-  }
-}
-
-void GetWinUSERHandles(base::ProcessHandle process,
-                       size_t* current,
-                       size_t* peak) {
-  *current = 0;
-  *peak = 0;
-  // Get a handle to |process| that has PROCESS_QUERY_INFORMATION rights.
-  HANDLE current_process = GetCurrentProcess();
-  HANDLE process_with_query_rights;
-  if (DuplicateHandle(current_process, process, current_process,
-                      &process_with_query_rights, PROCESS_QUERY_INFORMATION,
-                      false, 0)) {
-    *current = GetGuiResources(process_with_query_rights, GR_USEROBJECTS);
-    *peak = GetGuiResources(process_with_query_rights, GR_USEROBJECTS_PEAK);
-    CloseHandle(process_with_query_rights);
-  }
-}