Make use of CreateInterfacePtrAndBind() where appropriate

components/filesystem/public/cpp/prefs/filesystem_json_pref_store.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 "components/filesystem/public/cpp/prefs/filesystem_json_pref_store.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 309 matching lines @@
 void FilesystemJsonPrefStore::PerformWrite() {
   if (!directory_) {
     OpenFilesystem(
         Bind(&FilesystemJsonPrefStore::OnTempFileWriteStart, AsWeakPtr()));
   } else {
     OnTempFileWriteStart();
   }
 }
 
 void FilesystemJsonPrefStore::OpenFilesystem(base::Closure callback) {
-  filesystem::FileSystemClientPtr client;
-  binding_.Bind(GetProxy(&client));
-
   filesystem_->OpenFileSystem(
-      "origin", GetProxy(&directory_), std::move(client),
+      "origin", GetProxy(&directory_), binding_.CreateInterfacePtrAndBind(),
       base::Bind(&FilesystemJsonPrefStore::OnOpenFilesystem, AsWeakPtr(),
                  callback));
 }
 
 void FilesystemJsonPrefStore::OnOpenFilesystem(base::Closure callback,
                                                FileError err) {
   if (err != FileError::OK) {
     // Do real error checking.
     NOTIMPLEMENTED();
     return;
@@ skipping 98 matching lines @@
       read_result->error = HandleReadErrors(read_result->value.get());
     }
   }
 
   preferences_file_.reset();
 
   OnFileRead(std::move(read_result));
 }
 
 }  // namespace filesystem