Cleanup: Remove unneeded headers from app/ (part 2)

chrome/browser/browser_main_win.cc

 // Copyright (c) 2010 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/browser_main.h"
 #include "chrome/browser/browser_main_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include <algorithm>
 
 #include "app/l10n_util.h"
-#include "app/message_box_flags.h"
 #include "app/win_util.h"
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/nss_util.h"
 #include "base/path_service.h"
 #include "base/win_util.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/views/uninstall_view.h"
@@ skipping 207 matching lines @@
       base::EnsureNSPRInit();
     }
   }
 };
 
 // static
 BrowserMainParts* BrowserMainParts::CreateBrowserMainParts(
     const MainFunctionParams& parameters) {
   return new BrowserMainPartsWin(parameters);
 }