Use portable typedef for PIDs (process IDs).

chrome/common/chrome_process_filter.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 <windows.h>
 
 #include "chrome/common/chrome_process_filter.h"
 
 #include "base/path_service.h"
 #include "chrome/common/chrome_constants.h"
@@ skipping 10 matching lines @@
     PathService::Get(chrome::DIR_USER_DATA, &user_data_dir_);
 
 
   HWND message_window = FindWindowEx(HWND_MESSAGE, NULL,
                                      chrome::kMessageWindowClass,
                                      user_data_dir_.c_str());
   if (message_window)
     GetWindowThreadProcessId(message_window, &browser_process_id_);
 }
 
-bool BrowserProcessFilter::Includes(uint32 pid,
-                                    uint32 parent_pid) const {
+bool BrowserProcessFilter::Includes(base::ProcessId pid,
+                                    base::ProcessId parent_pid) const {
   return browser_process_id_ && (browser_process_id_ == pid ||
                                  browser_process_id_ == parent_pid);
 }