chromeos: moves setting of touch state to a separate class

ui/display/manager/chromeos/touch_device_transform.cc

Index: ui/display/manager/chromeos/touch_device_transform.cc
diff --git a/ui/display/manager/chromeos/touch_device_transform.cc b/ui/display/manager/chromeos/touch_device_transform.cc
new file mode 100644
index 0000000000000000000000000000000000000000..50e8c20e9203057c62578bec2d023690638e9209
--- /dev/null
+++ b/ui/display/manager/chromeos/touch_device_transform.cc
@@ -0,0 +1,13 @@
+// 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 "ui/display/manager/chromeos/touch_device_transform.h"
+
+namespace display {
+
+TouchDeviceTransform::TouchDeviceTransform() = default;
+
+TouchDeviceTransform::~TouchDeviceTransform() = default;
+
+}  // namespace display