Remove import lock dialog black border.

chrome/browser/ui/views/importer/import_lock_dialog_view.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/importer/import_lock_dialog_view.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/importer/importer_lock_dialog.h"
@@ skipping 18 matching lines @@
                           const base::Callback<void(bool)>& callback) {
   ImportLockDialogView::Show(parent, callback);
   content::RecordAction(UserMetricsAction("ImportLockDialogView_Shown"));
 }
 
 }  // namespace importer
 
 // static
 void ImportLockDialogView::Show(gfx::NativeWindow parent,
                                 const base::Callback<void(bool)>& callback) {
-  views::Widget::CreateWindow(new ImportLockDialogView(callback))->Show();
+  views::DialogDelegate::CreateDialogWidget(
+      new ImportLockDialogView(callback), NULL, NULL)->Show();
 }
 
 ImportLockDialogView::ImportLockDialogView(
     const base::Callback<void(bool)>& callback)
     : description_label_(NULL),
       callback_(callback) {
   description_label_ = new views::Label(
       l10n_util::GetStringUTF16(IDS_IMPORTER_LOCK_TEXT));
   description_label_->SetMultiLine(true);
   description_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
@@ skipping 39 matching lines @@
   base::MessageLoop::current()->PostTask(FROM_HERE,
                                          base::Bind(callback_, true));
   return true;
 }
 
 bool ImportLockDialogView::Cancel() {
   base::MessageLoop::current()->PostTask(FROM_HERE,
                                          base::Bind(callback_, false));
   return true;
 }