Convert MessageBoxFlags class into an enum.

chrome/browser/chromeos/external_protocol_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 "chrome/browser/chromeos/external_protocol_dialog.h"
 
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
@@ skipping 90 matching lines @@
   string16 elided_url_without_scheme;
   ui::ElideString(ASCIIToUTF16(url.possibly_invalid_spec()),
       kMaxUrlWithoutSchemeSize, &elided_url_without_scheme);
 
   string16 message_text = l10n_util::GetStringFUTF16(
       IDS_EXTERNAL_PROTOCOL_INFORMATION,
       ASCIIToUTF16(url.scheme() + ":"),
       elided_url_without_scheme) + ASCIIToUTF16("\n\n");
 
   message_box_view_ = new views::MessageBoxView(
-      ui::MessageBoxFlags::kIsConfirmMessageBox,
+      ui::MESSAGE_BOX_IS_CONFIRM_DIALOG,
       message_text,
       string16(),
       kMessageWidth);
   message_box_view_->SetCheckBoxLabel(
       l10n_util::GetStringUTF16(IDS_EXTERNAL_PROTOCOL_CHECKBOX_TEXT));
 
   gfx::NativeWindow parent_window;
   if (tab_contents) {
     parent_window = tab_contents->view()->GetTopLevelNativeWindow();
   } else {
     // Dialog is top level if we don't have a tab_contents associated with us.
     parent_window = NULL;
   }
   browser::CreateViewsWindow(parent_window, this)->Show();
 }