Remove DialogDelegate::UseNewStyle and unused code.

ui/views/examples/tabbed_pane_example.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 "ui/views/examples/tabbed_pane_example.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/tabbed_pane/tabbed_pane.h"
 #include "ui/views/layout/grid_layout.h"
 
 namespace views {
 namespace examples {
 
 TabbedPaneExample::TabbedPaneExample() : ExampleBase("Tabbed Pane") {
 }
 
 TabbedPaneExample::~TabbedPaneExample() {
 }
 
 void TabbedPaneExample::CreateExampleView(View* container) {
-  tabbed_pane_ = new TabbedPane(false);
+  tabbed_pane_ = new TabbedPane();
   tabbed_pane_->set_listener(this);
   add_ = new LabelButton(this, ASCIIToUTF16("Add"));
   add_at_ = new LabelButton(this, ASCIIToUTF16("Add At 1"));
   select_at_ = new LabelButton(this, ASCIIToUTF16("Select At 1"));
 
   GridLayout* layout = new GridLayout(container);
   container->SetLayoutManager(layout);
 
   const int tabbed_pane_column = 0;
   ColumnSet* column_set = layout->AddColumnSet(tabbed_pane_column);
@@ skipping 44 matching lines @@
                            tabbed_pane_->selected_tab_index());
 }
 
 void TabbedPaneExample::AddButton(const std::string& label) {
   LabelButton* button = new LabelButton(NULL, ASCIIToUTF16(label));
   tabbed_pane_->AddTab(ASCIIToUTF16(label), button);
 }
 
 }  // namespace examples
 }  // namespace views