Make use of CreateInterfacePtrAndBind() where appropriate

components/filesystem/files_test_base.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 "components/filesystem/files_test_base.h"
 
 #include <utility>
 
 #include "components/filesystem/public/interfaces/directory.mojom.h"
 #include "components/filesystem/public/interfaces/types.mojom.h"
@@ skipping 10 matching lines @@
 
 void FilesTestBase::SetUp() {
   ApplicationTestBase::SetUp();
   application_impl()->ConnectToService("mojo:filesystem", &files_);
 }
 
 void FilesTestBase::OnFileSystemShutdown() {
 }
 
 void FilesTestBase::GetTemporaryRoot(DirectoryPtr* directory) {
-  filesystem::FileSystemClientPtr client;
-  binding_.Bind(GetProxy(&client));
-
   FileError error = FileError::FAILED;
-  files()->OpenFileSystem("temp", GetProxy(directory), std::move(client),
+  files()->OpenFileSystem("temp", GetProxy(directory),
+                          binding_.CreateInterfacePtrAndBind(),
                           mojo::Capture(&error));
   ASSERT_TRUE(files().WaitForIncomingResponse());
   ASSERT_EQ(FileError::OK, error);
 }
 
 }  // namespace filesystem