Consolidate win/x dispatchers

chrome/browser/ui/views/user_data_dir_dialog.cc

 // Copyright (c) 2011 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 "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/views/user_data_dir_dialog.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 75 matching lines @@
 }
 
 views::Widget* UserDataDirDialog::GetWidget() {
   return message_box_view_->GetWidget();
 }
 
 const views::Widget* UserDataDirDialog::GetWidget() const {
   return message_box_view_->GetWidget();
 }
 
-bool UserDataDirDialog::Dispatch(const MSG& msg) {
+bool UserDataDirDialog::Dispatch(const base::NativeEvent& msg) {
   TranslateMessage(&msg);
   DispatchMessage(&msg);
   return is_blocking_;
 }
 
 void UserDataDirDialog::FileSelected(const FilePath& path,
                                      int index, void* params) {
   user_data_dir_ = path;
   is_blocking_ = false;
 }
 
 void UserDataDirDialog::FileSelectionCanceled(void* params) {
 }