Convert more interfaces to the new thunk system.

ppapi/thunk/ppb_file_ref_api.h

+// Copyright (c) 2011 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.
+
+#ifndef PPAPI_THUNK_PPB_FILE_REF_API_H_
+#define PPAPI_THUNK_PPB_FILE_REF_API_H_
+
+#include "ppapi/c/dev/ppb_file_ref_dev.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPB_FileRef_API {
+ public:
+  virtual PP_FileSystemType_Dev GetFileSystemType() const = 0;
+  virtual PP_Var GetName() const = 0;
+  virtual PP_Var GetPath() const = 0;
+  virtual PP_Resource GetParent() = 0;
+  virtual int32_t MakeDirectory(PP_Bool make_ancestors,
+                                PP_CompletionCallback callback) = 0;
+  virtual int32_t Touch(PP_Time last_access_time,
+                        PP_Time last_modified_time,
+                        PP_CompletionCallback callback) = 0;
+  virtual int32_t Delete(PP_CompletionCallback callback) = 0;
+  virtual int32_t Rename(PP_Resource new_file_ref,
+                         PP_CompletionCallback callback) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_FILE_REF_API_H_