Convert more interfaces to the new thunk system.

ppapi/thunk/ppb_file_io_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_IO_API_H_
+#define PPAPI_THUNK_PPB_FILE_IO_API_H_
+
+#include "ppapi/c/dev/ppb_file_io_dev.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPB_FileIO_API {
+ public:
+  virtual int32_t Open(PP_Resource file_ref,
+                       int32_t open_flags,
+                       PP_CompletionCallback callback) = 0;
+  virtual int32_t Query(PP_FileInfo_Dev* info,
+                        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 Read(int64_t offset,
+                       char* buffer,
+                       int32_t bytes_to_read,
+                       PP_CompletionCallback callback) = 0;
+  virtual int32_t Write(int64_t offset,
+                        const char* buffer,
+                        int32_t bytes_to_write,
+                        PP_CompletionCallback callback) = 0;
+  virtual int32_t SetLength(int64_t length,
+                            PP_CompletionCallback callback) = 0;
+  virtual int32_t Flush(PP_CompletionCallback callback) = 0;
+  virtual void Close() = 0;
+
+  // Trusted API.
+  virtual int32_t GetOSFileDescriptor() = 0;
+  virtual int32_t WillWrite(int64_t offset,
+                            int32_t bytes_to_write,
+                            PP_CompletionCallback callback) = 0;
+  virtual int32_t WillSetLength(int64_t length,
+                                PP_CompletionCallback callback) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_FILE_IO_API_H_