Clean up the file dev interfaces. The combination of some dev and some non

ppapi/c/dev/ppb_file_system_dev.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_C_DEV_PPB_FILE_SYSTEM_DEV_H_
 #define PPAPI_C_DEV_PPB_FILE_SYSTEM_DEV_H_
 
-#include "ppapi/c/dev/pp_file_info_dev.h"
-#include "ppapi/c/pp_bool.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_resource.h"
-#include "ppapi/c/pp_stdint.h"
-#include "ppapi/c/pp_time.h"
-
-struct PP_CompletionCallback;
+#include "ppapi/c/ppb_file_system.h"
 
 #define PPB_FILESYSTEM_DEV_INTERFACE_0_6 "PPB_FileSystem(Dev);0.6"
 #define PPB_FILESYSTEM_DEV_INTERFACE PPB_FILESYSTEM_DEV_INTERFACE_0_6
 
-struct PPB_FileSystem_Dev {
-  /** Creates a filesystem object of the given type. */
-  PP_Resource (*Create)(PP_Instance instance, PP_FileSystemType_Dev type);
-
-  /** Returns PP_TRUE if the given resource is a FileSystem. */
-  PP_Bool (*IsFileSystem)(PP_Resource resource);
-
-  /**
-   * Opens the file system. A file system must be opened before running any
-   * other operation on it.
-   *
-   * TODO(brettw) clarify whether this must have completed before a file can
-   * be opened in it. Clarify what it means to be "completed."
-   */
-  int32_t (*Open)(PP_Resource file_system,
-                  int64_t expected_size,
-                  struct PP_CompletionCallback callback);
-
-  /**
-   * Returns the type of the given file system.
-   *
-   * Returns PP_FILESYSTEMTYPE_INVALID if the given resource is not a valid
-   * filesystem. It is valid to call this function even before Open completes.
-   */
-  PP_FileSystemType_Dev (*GetType)(PP_Resource file_system);
-};
+typedef struct PPB_FileSystem PPB_FileSystem_Dev;
 
 #endif  /* PPAPI_C_DEV_PPB_FILE_SYSTEM_DEV_H_ */