Fix incorrect API version information.

ppapi/api/ppb_file_ref.idl

 /* 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.
  */
 
 /**
  * This file defines the API to create a file reference or "weak pointer" to a
  * file in a file system.
  */
 
 label Chrome {
-  M13 = 0.9,
   M14 = 1.0
 };
 
 /**
  * The <code>PPB_FileRef</code> struct represents a "weak pointer" to a file in
  * a file system.  This struct contains a <code>PP_FileSystemType</code>
  * identifier and a file path string.
  */
-[version=0.9]
 interface PPB_FileRef {
   /**
    * Create() creates a weak pointer to a file in the given file system. File
    * paths are POSIX style.
    *
    * @param[in] resource A <code>PP_Resource</code> corresponding to a file
    * system.
    * @param[in] path A path to the file.
    *
    * @return A <code>PP_Resource</code> corresponding to a file reference if
@@ skipping 131 matching lines @@
    * @param[in] callback A <code>PP_CompletionCallback</code> to be called upon
    * completion of Rename().
    *
    * @return An int32_t containing an error code from <code>pp_errors.h</code>.
    */
   int32_t Rename([in] PP_Resource file_ref,
                  [in] PP_Resource new_file_ref,
                  [in] PP_CompletionCallback callback);
 };