views: Add a new ctor to MessageBoxView that takes only a InitParams.

chrome/browser/ui/views/user_data_dir_dialog.cc

 // Copyright (c) 2012 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"
 #include "ui/views/controls/message_box_view.h"
 #include "ui/views/widget/widget.h"
 
 // static
 FilePath UserDataDirDialog::RunUserDataDirDialog(
     const FilePath& user_data_dir) {
   // When the window closes, it will delete itself.
-  UserDataDirDialog* dlg = new UserDataDirDialog(user_data_dir);
-  MessageLoopForUI::current()->RunWithDispatcher(dlg);
-  return dlg->user_data_dir();
+  UserDataDirDialog* dialog = new UserDataDirDialog(user_data_dir);
+  MessageLoopForUI::current()->RunWithDispatcher(dialog);
+  return dialog->user_data_dir();
 }
 
 UserDataDirDialog::UserDataDirDialog(const FilePath& user_data_dir)
     : ALLOW_THIS_IN_INITIALIZER_LIST(
           select_file_dialog_(SelectFileDialog::Create(this))),
       is_blocking_(true) {
-  string16 message_text = l10n_util::GetStringFUTF16(
-      IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY,
-      user_data_dir.LossyDisplayName());
   const int kDialogWidth = 400;
-  message_box_view_ = new views::MessageBoxView(
-      views::MessageBoxView::NO_OPTIONS,
-      message_text,
-      string16(),
-      kDialogWidth);
+  views::MessageBoxView::InitParams params(
+      l10n_util::GetStringFUTF16(IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY,
+                                 user_data_dir.LossyDisplayName()));
+  params.message_width = kDialogWidth;
+  message_box_view_ = new views::MessageBoxView(params);
 
   views::Widget::CreateWindow(this)->Show();
 }
 
 UserDataDirDialog::~UserDataDirDialog() {
   select_file_dialog_->ListenerDestroyed();
 }
 
 string16 UserDataDirDialog::GetDialogButtonLabel(
     ui::DialogButton button) const {
@@ skipping 54 matching lines @@
 }
 
 void UserDataDirDialog::FileSelected(const FilePath& path,
                                      int index, void* params) {
   user_data_dir_ = path;
   is_blocking_ = false;
 }
 
 void UserDataDirDialog::FileSelectionCanceled(void* params) {
 }