chromeos: moves setting of touch state to a separate class

ash/touch/ash_touch_transform_controller.cc

 // Copyright 2017 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/touch/ash_touch_transform_controller.h"
 
 #include "ash/shell.h"
+#include "ui/display/manager/chromeos/touch_transform_setter.h"
 #include "ui/display/manager/display_manager.h"
 
 namespace ash {
 
 AshTouchTransformController::AshTouchTransformController(
     display::DisplayConfigurator* display_configurator,
-    display::DisplayManager* display_manager)
-    : TouchTransformController(display_configurator, display_manager) {
+    display::DisplayManager* display_manager,
+    std::unique_ptr<display::TouchTransformSetter> setter)
+    : TouchTransformController(display_configurator,
+                               display_manager,
+                               std::move(setter)) {
   Shell::Get()->window_tree_host_manager()->AddObserver(this);
 }
 
 AshTouchTransformController::~AshTouchTransformController() {
   Shell::Get()->window_tree_host_manager()->RemoveObserver(this);
 }
 
 void AshTouchTransformController::OnDisplaysInitialized() {
   UpdateTouchTransforms();
 }
 
 void AshTouchTransformController::OnDisplayConfigurationChanged() {
   UpdateTouchTransforms();
 }
 
 }  // namespace ash