ozone: evdev: Dispatch events in task

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 50 matching lines @@
   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 Dispatch(Event* event);
+  void Dispatch(scoped_ptr<Event> event);
   void DispatchMouseButton(unsigned int modifier, bool down);
   void DispatchChangedKeys(Evdev* evdev, const timeval& time);
 
   // Shared modifier state.
   EventModifiersEvdev* modifiers_;
 
   // Shared cursor state.
   CursorDelegateEvdev* cursor_;
 
   // Shared keyboard state.
   KeyboardEvdev* keyboard_;
 
   // Callback for dispatching events.
   EventDispatchCallback dispatch_callback_;
 
   // Gestures interpretation state.
   gestures::GestureInterpreter* interpreter_;
 
   // Last key state from libevdev.
   unsigned long prev_key_state_[EVDEV_BITS_TO_LONGS(KEY_CNT)];
 
   DISALLOW_COPY_AND_ASSIGN(GestureInterpreterLibevdevCros);
 };
 
 }  // namspace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_LIBGESTURES_GLUE_GESTURE_INTERPRETER_LIBEVDEV_CROS_H_