aura_shell: Remove unused native_widget_types.h include from example_factory.h

ui/aura_shell/examples/lock_view.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 "base/utf_string_conversions.h"
 #include "ui/aura/desktop.h"
 #include "ui/aura/window.h"
 #include "ui/aura_shell/examples/example_factory.h"
 #include "ui/aura_shell/shell.h"
 #include "ui/aura_shell/shell_window_ids.h"
@@ skipping 30 matching lines @@
   }
   virtual void OnMouseReleased(const views::MouseEvent& event) OVERRIDE {
     GetWidget()->Close();
   }
 
   gfx::Font font_;
 
   DISALLOW_COPY_AND_ASSIGN(LockView);
 };
 
-void CreateLock() {
+void CreateLockScreen() {
   LockView* lock_view = new LockView;
   views::Widget* widget = new views::Widget;
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
   gfx::Size ps = lock_view->GetPreferredSize();
 
   gfx::Size desktop_size  = aura::Desktop::GetInstance()->GetHostSize();
   params.bounds = gfx::Rect((desktop_size.width() - ps.width()) / 2,
                             (desktop_size.height() - ps.height()) / 2,
                             ps.width(), ps.height());
   params.delegate = lock_view;
   widget->Init(params);
   Shell::GetInstance()->GetContainer(
       aura_shell::internal::kShellWindowId_LockScreenContainer)->
       AddChild(widget->GetNativeView());
   widget->SetContentsView(lock_view);
   widget->Show();
   widget->GetNativeView()->set_name("LockView");
 }
 
 }  // namespace examples
 }  // namespace aura_shell