convert //mash to std::unique_ptr

mash/wm/frame/move_loop.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.
 
 #include "mash/wm/frame/move_loop.h"
 
 #include "base/auto_reset.h"
+#include "base/memory/ptr_util.h"
 #include "components/mus/public/cpp/window.h"
 #include "components/mus/public/interfaces/input_event_constants.mojom.h"
 #include "mash/wm/property_util.h"
 #include "ui/base/hit_test.h"
 #include "ui/events/event.h"
 #include "ui/gfx/geometry/point_conversions.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace mash {
 namespace wm {
 
 namespace {
 
 int MouseOnlyEventFlags(int flags) {
   return flags & (ui::EF_LEFT_MOUSE_BUTTON | ui::EF_MIDDLE_MOUSE_BUTTON |
                   ui::EF_RIGHT_MOUSE_BUTTON);
 }
 
 }  // namespace
 
 MoveLoop::~MoveLoop() {
   if (target_)
     target_->RemoveObserver(this);
 }
 
 // static
-scoped_ptr<MoveLoop> MoveLoop::Create(mus::Window* target,
-                                      int ht_location,
-                                      const ui::PointerEvent& event) {
+std::unique_ptr<MoveLoop> MoveLoop::Create(mus::Window* target,
+                                           int ht_location,
+                                           const ui::PointerEvent& event) {
   DCHECK_EQ(event.type(), ui::ET_POINTER_DOWN);
   // Start a move on left mouse, or any other type of pointer.
   if (event.IsMousePointerEvent() &&
       MouseOnlyEventFlags(event.flags()) != ui::EF_LEFT_MOUSE_BUTTON) {
     return nullptr;
   }
 
   Type type;
   HorizontalLocation h_loc;
   VerticalLocation v_loc;
   if (!DetermineType(ht_location, &type, &h_loc, &v_loc))
     return nullptr;
 
-  return make_scoped_ptr(new MoveLoop(target, event, type, h_loc, v_loc));
+  return base::WrapUnique(new MoveLoop(target, event, type, h_loc, v_loc));
 }
 
 MoveLoop::MoveResult MoveLoop::Move(const ui::PointerEvent& event) {
   switch (event.type()) {
     case ui::ET_POINTER_CANCELLED:
       if (event.pointer_id() == pointer_id_) {
         if (target_)
           Revert();
         return MoveResult::DONE;
       }
@@ skipping 157 matching lines @@
     Cancel();
 }
 
 void MoveLoop::OnWindowVisibilityChanged(mus::Window* window) {
   DCHECK_EQ(window, target_);
   Cancel();
 }
 
 }  // namespace wm
 }  // namespace mash