ozone: evdev: Fix possibility of stuck keys with libevdev

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 33 matching lines @@
                                  CursorDelegateEvdev* cursor,
                                  GesturePropertyProvider* property_provider,
                                  DeviceEventDispatcherEvdev* dispatcher);
   ~GestureInterpreterLibevdevCros() override;
 
   // Overriden from ui::EventReaderLibevdevCros::Delegate
   void OnLibEvdevCrosOpen(Evdev* evdev, EventStateRec* evstate) override;
   void OnLibEvdevCrosEvent(Evdev* evdev,
                            EventStateRec* evstate,
                            const timeval& time) override;
+  void OnLibEvdevCrosStopped(Evdev* evdev, EventStateRec* state) override;
   void SetAllowedKeys(
       scoped_ptr<std::set<DomCode>> allowed_keys) override;
   void AllowAllKeys() override;
 
   // Handler for gesture events generated from libgestures.
   void OnGestureReady(const Gesture* gesture);
 
   // Accessors.
   int id() { return id_; }
   GesturePropertyProvider* property_provider() { return property_provider_; }
   Evdev* evdev() { return evdev_; }
 
  private:
   void OnGestureMove(const Gesture* gesture, const GestureMove* move);
   void OnGestureScroll(const Gesture* gesture, const GestureScroll* move);
   void OnGestureButtonsChange(const Gesture* gesture,
                               const GestureButtonsChange* move);
   void OnGestureContactInitiated(const Gesture* gesture);
   void OnGestureFling(const Gesture* gesture, const GestureFling* fling);
   void OnGestureSwipe(const Gesture* gesture, const GestureSwipe* swipe);
   void OnGestureSwipeLift(const Gesture* gesture,
                           const GestureSwipeLift* swipelift);
   void OnGesturePinch(const Gesture* gesture, const GesturePinch* pinch);
   void OnGestureMetrics(const Gesture* gesture, const GestureMetrics* metrics);
 
   void DispatchMouseButton(unsigned int modifier,
                            bool down,
                            stime_t time);
-  void DispatchChangedKeys(Evdev* evdev, const timeval& time);
+  void DispatchChangedKeys(unsigned long* changed_keys, stime_t timestamp);
+  void ReleaseKeys();
 
   // 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_;
 
   // The evdev codes of the keys which should be processed. nullptr if all keys
   // should be processed.
@@ skipping 19 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_