Replace scoped_ptr with std::unique_ptr in //ui

ui/views/widget/desktop_aura/desktop_native_widget_aura.cc

 // Copyright (c) 2012 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 "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
@@ skipping 440 matching lines @@
 
   // The host's dispatcher must be added to |native_cursor_manager_| before
   // OnNativeWidgetCreated() is called.
   cursor_reference_count_++;
   if (!native_cursor_manager_) {
     native_cursor_manager_ = new DesktopNativeCursorManager(
         DesktopCursorLoaderUpdater::Create());
   }
   if (!cursor_manager_) {
     cursor_manager_ = new wm::CursorManager(
-        scoped_ptr<wm::NativeCursorManager>(native_cursor_manager_));
+        std::unique_ptr<wm::NativeCursorManager>(native_cursor_manager_));
   }
   native_cursor_manager_->AddHost(host());
   aura::client::SetCursorClient(host_->window(), cursor_manager_);
 
   desktop_window_tree_host_->OnNativeWidgetCreated(params);
 
   UpdateWindowTransparency();
 
   capture_client_.reset(new DesktopCaptureClient(host_->window()));
 
@@ skipping 705 matching lines @@
   if (cursor_reference_count_ == 0) {
     // We are the last DesktopNativeWidgetAura instance, and we are responsible
     // for cleaning up |cursor_manager_|.
     delete cursor_manager_;
     native_cursor_manager_ = NULL;
     cursor_manager_ = NULL;
   }
 }
 
 }  // namespace views