Replace scoped_ptr with std::unique_ptr in //ui

ui/events/gesture_detection/velocity_tracker_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 <memory>
+
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/gesture_detection/velocity_tracker_state.h"
 #include "ui/events/test/motion_event_test_utils.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
 using base::TimeDelta;
 using base::TimeTicks;
 using ui::test::MockMotionEvent;
@@ skipping 235 matching lines @@
 
   // This does not hold for the unrestricted LSQ2 strategy.
   state_unrestricted.ComputeCurrentVelocity(1000, 20000);
   EXPECT_EQ(0, state_unrestricted.GetXVelocity(0));
   // Y velocity is negative, despite the fact that the finger only moved in the
   // positive y direction.
   EXPECT_GT(0, state_unrestricted.GetYVelocity(0));
 }
 
 }  // namespace ui