Replace scoped_ptr with std::unique_ptr in //ui

ui/events/gesture_detection/gesture_detector.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_GESTURE_DETECTION_GESTURE_DETECTOR_H_
 #define UI_EVENTS_GESTURE_DETECTION_GESTURE_DETECTOR_H_
 
+#include <memory>
+
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/events/gesture_detection/gesture_detection_export.h"
 #include "ui/events/gesture_detection/velocity_tracker_state.h"
 
 namespace ui {
 
 class DoubleTapListener;
 class GestureListener;
 class MotionEvent;
 
 // Port of GestureDetector.java from Android
@@ skipping 83 matching lines @@
   void OnLongPressTimeout();
   void OnTapTimeout();
   void Cancel();
   void CancelTaps();
   bool IsRepeatedTap(const MotionEvent& first_down,
                      const MotionEvent& first_up,
                      const MotionEvent& second_down) const;
   bool HandleSwipeIfNeeded(const MotionEvent& up, float vx, float vy);
 
   class TimeoutGestureHandler;
-  scoped_ptr<TimeoutGestureHandler> timeout_handler_;
+  std::unique_ptr<TimeoutGestureHandler> timeout_handler_;
   GestureListener* const listener_;
   DoubleTapListener* double_tap_listener_;
 
   float touch_slop_square_;
   float double_tap_touch_slop_square_;
   float double_tap_slop_square_;
   float two_finger_tap_distance_square_;
   float min_fling_velocity_;
   float max_fling_velocity_;
   float min_swipe_velocity_;
   float min_swipe_direction_component_ratio_;
   base::TimeDelta double_tap_timeout_;
   base::TimeDelta two_finger_tap_timeout_;
   base::TimeDelta double_tap_min_time_;
 
   bool still_down_;
   bool defer_confirm_single_tap_;
   bool always_in_tap_region_;
   bool always_in_bigger_tap_region_;
   bool two_finger_tap_allowed_for_gesture_;
 
-  scoped_ptr<MotionEvent> current_down_event_;
-  scoped_ptr<MotionEvent> previous_up_event_;
-  scoped_ptr<MotionEvent> secondary_pointer_down_event_;
+  std::unique_ptr<MotionEvent> current_down_event_;
+  std::unique_ptr<MotionEvent> previous_up_event_;
+  std::unique_ptr<MotionEvent> secondary_pointer_down_event_;
 
   // True when the user is still touching for the second tap (down, move, and
   // up events). Can only be true if there is a double tap listener attached.
   bool is_double_tapping_;
 
   // Whether the current ACTION_DOWN event meets the criteria for being a
   // repeated tap. Note that it will be considered a repeated tap only if the
   // corresponding ACTION_UP yields a valid tap and double-tap detection is
   // disabled.
   bool is_down_candidate_for_repeated_single_tap_;
@@ skipping 15 matching lines @@
 
   // Determines speed during touch scrolling.
   VelocityTrackerState velocity_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureDetector);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_GESTURE_DETECTION_GESTURE_DETECTOR_H_