Add Ozone stub implementations for NativeDisplayDelegate and TouchscreenDelegate

ui/display/chromeos/ozone/touchscreen_delegate_ozone.cc

+// Copyright 2014 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/display/chromeos/ozone/touchscreen_delegate_ozone.h"
+
+namespace ui {
+
+TouchscreenDelegateOzone::TouchscreenDelegateOzone() {}
+
+TouchscreenDelegateOzone::~TouchscreenDelegateOzone() {}
+
+void TouchscreenDelegateOzone::AssociateTouchscreens(
+    std::vector<OutputConfigurator::DisplayState>* outputs) {
+  NOTIMPLEMENTED();
+}
+
+void TouchscreenDelegateOzone::ConfigureCTM(
+    int touch_device_id,
+    const OutputConfigurator::CoordinateTransformation& ctm) {
+  NOTIMPLEMENTED();
+}
+
+}  // namespace ui