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

ui/events/ozone/evdev/touch_evdev_types.h

Index: ui/events/ozone/evdev/touch_evdev_types.h
diff --git a/ui/events/ozone/evdev/touch_evdev_types.h b/ui/events/ozone/evdev/touch_evdev_types.h
new file mode 100644
index 0000000000000000000000000000000000000000..8ab1d90ac6bd7d66e668a17a84f2a05d1636b49f
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+++ b/ui/events/ozone/evdev/touch_evdev_types.h
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+// 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.
+
+#ifndef UI_EVENTS_OZONE_EVDEV_TOUCH_EVDEV_TYPES_H_
+#define UI_EVENTS_OZONE_EVDEV_TOUCH_EVDEV_TYPES_H_
+
+#include "base/basictypes.h"
+#include "ui/events/event_constants.h"
+#include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
+
+namespace ui {
+
+// Number of supported touch slots. ABS_MT_SLOT messages with
+// value >= kNumTouchEvdevSlots are ignored.
+const int kNumTouchEvdevSlots = 20;
+
+// Contains information about an in progress touch.
+struct EVENTS_OZONE_EVDEV_EXPORT InProgressTouchEvdev {
+  InProgressTouchEvdev();
+  ~InProgressTouchEvdev();
+
+  // Whether there is new information for the touch.
+  bool altered = false;
+
+  // Whether the touch was cancelled. Touch events should be ignored till a
+  // new touch is initiated.
+  bool cancelled = false;
+
+  bool was_touching = false;
+  bool touching = false;
+  float x = 0;
+  float y = 0;
+  int tracking_id = -1;
+  size_t slot = 0;
+  float radius_x = 0;
+  float radius_y = 0;
+  float pressure = 0;
+};
+
+}  // namespace ui
+
+#endif  // UI_EVENTS_OZONE_EVDEV_TOUCH_EVDEV_TYPES_H_