Removes WmShell::NewWindow()

ash/aura/wm_shell_aura.cc

 // Copyright 2016 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 "ash/aura/wm_shell_aura.h"
 
 #include <utility>
 
 #include "ash/aura/key_event_watcher_aura.h"
 #include "ash/aura/pointer_watcher_adapter.h"
@@ skipping 53 matching lines @@
 
   WmShell::Shutdown();
 
   Shell::GetInstance()->window_tree_host_manager()->Shutdown();
 }
 
 bool WmShellAura::IsRunningInMash() const {
   return false;
 }
 
-WmWindow* WmShellAura::NewWindow(ui::wm::WindowType window_type,
-                                 ui::LayerType layer_type) {
-  aura::Window* aura_window = new aura::Window(nullptr);
-  aura_window->SetType(window_type);
-  aura_window->Init(layer_type);
-  return WmWindow::Get(aura_window);
-}
-
 WmWindow* WmShellAura::GetFocusedWindow() {
   return WmWindow::Get(
       aura::client::GetFocusClient(Shell::GetPrimaryRootWindow())
           ->GetFocusedWindow());
 }
 
 WmWindow* WmShellAura::GetActiveWindow() {
   return WmWindow::Get(wm::GetActiveWindow());
 }
 
@@ skipping 203 matching lines @@
   for (auto& observer : display_observers_)
     observer.OnDisplayConfigurationChanging();
 }
 
 void WmShellAura::OnDisplayConfigurationChanged() {
   for (auto& observer : display_observers_)
     observer.OnDisplayConfigurationChanged();
 }
 
 }  // namespace ash