ozone: mouse button swap shouldn't affect touchpad physical click

ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h

 // 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.
 
 #ifndef UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_INTERPRETER_LIBEVDEV_CROS_H_
 #define UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_INTERPRETER_LIBEVDEV_CROS_H_
 
 #include <gestures/gestures.h>
 #include <libevdev/libevdev.h>
 
@@ skipping 67 matching lines @@
   void OnGesturePinch(const Gesture* gesture, const GesturePinch* pinch);
   void OnGestureMetrics(const Gesture* gesture, const GestureMetrics* metrics);
 
   void Dispatch(scoped_ptr<Event> event);
   void DispatchMouseButton(unsigned int modifier, bool down);
   void DispatchChangedKeys(Evdev* evdev, const timeval& time);
 
   // The unique device id.
   int id_;
 
+  // True if the device may be regarded as a mouse. This includes normal mice
+  // and multi-touch mice.
+  bool is_mouse_;
+
   // Shared modifier state.
   EventModifiersEvdev* modifiers_;
 
   // Shared mouse button map.
   MouseButtonMapEvdev* button_map_;
 
   // Shared cursor state.
   CursorDelegateEvdev* cursor_;
 
   // Shared keyboard state.
@@ skipping 16 matching lines @@
 
   // Gesture lib device properties.
   scoped_ptr<GestureDeviceProperties> device_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureInterpreterLibevdevCros);
 };
 
 }  // namspace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_INTERPRETER_LIBEVDEV_CROS_H_