Replace scoped_ptr with std::unique_ptr in //ui

ui/events/gesture_detection/motion_event_buffer_unittest.cc

 // 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.
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/gesture_detection/motion_event_buffer.h"
@@ skipping 160 matching lines @@
     base::TimeTicks max_event_time =
         event_time + base::TimeDelta::FromSecondsD(0.5f);
     const size_t min_expected_events =
         static_cast<size_t>((max_event_time - flush_time) /
                             std::max(event_time_delta, flush_time_delta));
 
     MotionEventBuffer buffer(this, true);
 
     gfx::Vector2dF velocity(33.f, -11.f);
     gfx::PointF position(17.f, 42.f);
-    scoped_ptr<MotionEvent> last_flushed_event;
+    std::unique_ptr<MotionEvent> last_flushed_event;
     size_t events = 0;
     float last_dx = 0, last_dy = 0;
     base::TimeDelta last_dt;
     while (event_time < max_event_time) {
       position += gfx::ScaleVector2d(velocity, event_time_delta.InSecondsF());
       MockMotionEvent move(
           MotionEvent::ACTION_MOVE, event_time, position.x(), position.y());
       buffer.OnMotionEvent(move);
       event_time += event_time_delta;
 
@@ skipping 674 matching lines @@
 TEST_F(MotionEventBufferTest, Resampling150to60) {
   base::TimeDelta flush_time_delta =
       base::TimeDelta::FromMillisecondsD(1000. / 60.);
   base::TimeDelta event_time_delta =
       base::TimeDelta::FromMillisecondsD(1000. / 150.);
 
   RunResample(flush_time_delta, event_time_delta);
 }
 
 }  // namespace ui