Move TouchTransformerController to ui/display/.

ash/touch/ash_touch_transform_controller.h

Index: ash/touch/ash_touch_transform_controller.h
diff --git a/ash/touch/ash_touch_transform_controller.h b/ash/touch/ash_touch_transform_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..e73d1afa88ee049435dfae719b14cb1bbe1db297
--- /dev/null
+++ b/ash/touch/ash_touch_transform_controller.h
@@ -0,0 +1,41 @@
+// 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.
+
+#ifndef ASH_TOUCH_ASH_TOUCH_TRANSFORM_CONTROLLER_H_
+#define ASH_TOUCH_ASH_TOUCH_TRANSFORM_CONTROLLER_H_
+
+#include "ash/ash_export.h"
+#include "ash/display/window_tree_host_manager.h"
+#include "base/macros.h"
+#include "ui/display/manager/chromeos/touch_transform_controller.h"
+
+namespace display {
+class DisplayConfigurator;
+class DisplayManager;
+}
+
+namespace ash {
+
+// AshTouchTransformController listens for display configuration changes and
+// updates the touch transforms when one occurs.
+class ASH_EXPORT AshTouchTransformController
+    : public display::TouchTransformController,
+      public WindowTreeHostManager::Observer {
+ public:
+  AshTouchTransformController(
+      display::DisplayConfigurator* display_configurator,
+      display::DisplayManager* display_manager);
+  ~AshTouchTransformController() override;
+
+  // WindowTreeHostManager::Observer:
+  void OnDisplaysInitialized() override;
+  void OnDisplayConfigurationChanged() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AshTouchTransformController);
+};
+
+}  // namespace ash
+
+#endif  // ASH_TOUCH_ASH_TOUCH_TRANSFORM_CONTROLLER_H_