Sync ui/events to chromium @ https://codereview.chromium.org/1210203002

ui/events/touchscreen_device.cc

Index: ui/events/touchscreen_device.cc
diff --git a/ui/events/touchscreen_device.cc b/ui/events/touchscreen_device.cc
deleted file mode 100644
index 07844a152c788f362437ee13e3d21496e4efd78c..0000000000000000000000000000000000000000
--- a/ui/events/touchscreen_device.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// 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/events/touchscreen_device.h"
-
-namespace ui {
-
-// static
-const int TouchscreenDevice::kInvalidId = 0;
-
-TouchscreenDevice::TouchscreenDevice(int id,
-                                     const gfx::Size& size,
-                                     bool is_internal)
-    : id(id), size(size), is_internal(is_internal) {
-}
-
-}  // namespace ui