Convert //components/mus from scoped_ptr to std::unique_ptr

components/mus/ws/display_binding.cc

Index: components/mus/ws/display_binding.cc
diff --git a/components/mus/ws/display_binding.cc b/components/mus/ws/display_binding.cc
index 4f7ef03188fac5959fbb8c021a26367cd4359c17..de3df94be36724454a72b95654b6206e09b7d7ed 100644
--- a/components/mus/ws/display_binding.cc
+++ b/components/mus/ws/display_binding.cc
@@ -4,6 +4,7 @@
 
 #include "components/mus/ws/display_binding.h"
 
+#include "base/memory/ptr_util.h"
 #include "components/mus/ws/display.h"
 #include "components/mus/ws/window_manager_access_policy.h"
 #include "components/mus/ws/window_server.h"
@@ -28,7 +29,7 @@ DisplayBindingImpl::~DisplayBindingImpl() {}
 WindowTree* DisplayBindingImpl::CreateWindowTree(ServerWindow* root) {
   WindowTree* tree = window_server_->EmbedAtWindow(
       root, user_id_, std::move(client_),
-      make_scoped_ptr(new WindowManagerAccessPolicy));
+      base::WrapUnique(new WindowManagerAccessPolicy));
   tree->ConfigureWindowManager();
   return tree;
 }