Remove the update recommended dialog black border.

chrome/browser/ui/views/update_recommended_message_box.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 "chrome/browser/ui/views/update_recommended_message_box.h"
 
 #include "chrome/browser/lifetime/application_lifetime.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"
 
 #if defined(OS_CHROMEOS)
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
 #endif
 
 ////////////////////////////////////////////////////////////////////////////////
 // UpdateRecommendedMessageBox, public:
 
 // static
 void UpdateRecommendedMessageBox::Show(gfx::NativeWindow parent_window) {
   // When the window closes, it will delete itself.
-  views::Widget::CreateWindowWithParent(new UpdateRecommendedMessageBox(),
-                                        parent_window)->Show();
+  views::DialogDelegate::CreateDialogWidget(new UpdateRecommendedMessageBox(),
+                                            NULL, parent_window)->Show();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // UpdateRecommendedMessageBox, private:
 
 UpdateRecommendedMessageBox::UpdateRecommendedMessageBox() {
   const int kDialogWidth = 400;
 #if defined(OS_CHROMEOS)
   const int kProductNameID = IDS_SHORT_PRODUCT_OS_NAME;
 #else
@@ skipping 49 matching lines @@
   return message_box_view_;
 }
 
 views::Widget* UpdateRecommendedMessageBox::GetWidget() {
   return message_box_view_->GetWidget();
 }
 
 const views::Widget* UpdateRecommendedMessageBox::GetWidget() const {
   return message_box_view_->GetWidget();
 }