Replace scoped_ptr with std::unique_ptr in //ui

ui/events/blink/blink_event_util.cc

 // Copyright 2015 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.
 
 // MSVC++ requires this to be set before any other includes to get M_PI.
 #define _USE_MATH_DEFINES
 
 #include "ui/events/blink/blink_event_util.h"
 
 #include <stddef.h>
@@ skipping 321 matching lines @@
   return gesture;
 }
 
 WebGestureEvent CreateWebGestureEventFromGestureEventData(
     const GestureEventData& data) {
   return CreateWebGestureEvent(data.details, data.time - base::TimeTicks(),
                                gfx::PointF(data.x, data.y),
                                gfx::PointF(data.raw_x, data.raw_y), data.flags);
 }
 
-scoped_ptr<blink::WebInputEvent> ScaleWebInputEvent(
+std::unique_ptr<blink::WebInputEvent> ScaleWebInputEvent(
     const blink::WebInputEvent& event,
     float scale) {
-  scoped_ptr<blink::WebInputEvent> scaled_event;
+  std::unique_ptr<blink::WebInputEvent> scaled_event;
   if (scale == 1.f)
     return scaled_event;
   if (event.type == blink::WebMouseEvent::MouseWheel) {
     blink::WebMouseWheelEvent* wheel_event = new blink::WebMouseWheelEvent;
     scaled_event.reset(wheel_event);
     *wheel_event = static_cast<const blink::WebMouseWheelEvent&>(event);
     wheel_event->x *= scale;
     wheel_event->y *= scale;
     wheel_event->deltaX *= scale;
     wheel_event->deltaY *= scale;
@@ skipping 100 matching lines @@
     case MotionEvent::TOOL_TYPE_MOUSE:
       return WebPointerProperties::PointerType::Mouse;
     case MotionEvent::TOOL_TYPE_ERASER:
       return WebPointerProperties::PointerType::Unknown;
   }
   NOTREACHED() << "Invalid MotionEvent::ToolType = " << tool_type;
   return WebPointerProperties::PointerType::Unknown;
 }
 
 }  // namespace ui