Port Chromium OS touch noise filtering to Chromium

ui/events/ozone/evdev/touch_evdev_types.cc

Index: ui/events/ozone/evdev/touch_evdev_types.cc
diff --git a/ui/events/ozone/evdev/touch_evdev_types.cc b/ui/events/ozone/evdev/touch_evdev_types.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bc47d040f214aee8cb5d94183f4db71076bc8a0c
--- /dev/null
+++ b/ui/events/ozone/evdev/touch_evdev_types.cc
@@ -0,0 +1,25 @@
+// Copyright 2015 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/ozone/evdev/touch_evdev_types.h"
+
+namespace ui {
+
+InProgressTouchEvdev::InProgressTouchEvdev()
+    : altered(false),
+      cancelled(false),
+      was_touching(false),
+      touching(false),
+      x(0),
+      y(0),
+      tracking_id(-1),
+      slot(0),
+      radius_x(0),
+      radius_y(0),
+      pressure(0) {
+}
+
+InProgressTouchEvdev::~InProgressTouchEvdev() {}
+
+}  // namespace ui