Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/native/native_view_host_mac_unittest.mm

 // 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 "ui/views/controls/native/native_view_host_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
+#include <memory>
+
 #import "base/mac/scoped_nsautorelease_pool.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #import "testing/gtest_mac.h"
 #include "ui/views/controls/native/native_view_host.h"
 #include "ui/views/controls/native/native_view_host_test_base.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
 
 class NativeViewHostMacTest : public test::NativeViewHostTestBase {
  public:
@@ skipping 132 matching lines @@
   }
 
   // During teardown, NativeViewDetaching() is called in RemovedFromWidget().
   // Just trigger it with Detach().
   host()->Detach();
 
   DestroyHost();
 }
 
 }  // namespace views