Convert MessageBoxFlags class into an enum.

chrome/browser/ui/cocoa/js_modal_dialog_cocoa.mm

 // 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/ui/cocoa/js_modal_dialog_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
 #import "base/mac/cocoa_protocols.h"
@@ skipping 89 matching lines @@
     : dialog_(dialog),
       helper_(NULL) {
   // Determine the names of the dialog buttons based on the flags. "Default"
   // is the OK button. "Other" is the cancel button. We don't use the
   // "Alternate" button in NSRunAlertPanel.
   NSString* default_button = l10n_util::GetNSStringWithFixup(IDS_APP_OK);
   NSString* other_button = l10n_util::GetNSStringWithFixup(IDS_APP_CANCEL);
   bool text_field = false;
   bool one_button = false;
   switch (dialog_->dialog_flags()) {
-    case ui::MessageBoxFlags::kIsJavascriptAlert:
+    case ui::MESSAGE_BOX_IS_JAVASCRIPT_ALERT_DIALOG:
       one_button = true;
       break;
-    case ui::MessageBoxFlags::kIsJavascriptConfirm:
+    case ui::MESSAGE_BOX_IS_JAVASCRIPT_CONFIRM_DIALOG:
       if (dialog_->is_before_unload_dialog()) {
         default_button = l10n_util::GetNSStringWithFixup(
             IDS_BEFOREUNLOAD_MESSAGEBOX_OK_BUTTON_LABEL);
         other_button = l10n_util::GetNSStringWithFixup(
             IDS_BEFOREUNLOAD_MESSAGEBOX_CANCEL_BUTTON_LABEL);
       }
       break;
-    case ui::MessageBoxFlags::kIsJavascriptPrompt:
+    case ui::MESSAGE_BOX_IS_JAVASCRIPT_PROMPT_DIALOG:
       text_field = true;
       break;
 
     default:
       NOTREACHED();
   }
 
   // Create a helper which will receive the sheet ended selector. It will
   // delete itself when done. It doesn't need anything passed to its init
   // as it will get a contextInfo parameter.
@@ skipping 79 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeAppModalDialog, public:
 
 // static
 NativeAppModalDialog* NativeAppModalDialog::CreateNativeJavaScriptPrompt(
     JavaScriptAppModalDialog* dialog,
     gfx::NativeWindow parent_window) {
   return new JSModalDialogCocoa(dialog);
 }