Update MediaKeyStatus enum values

ppapi/api/private/pp_content_decryptor.idl

 /* 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.
  */
 
 /**
  * The <code>PP_DecryptTrackingInfo</code> struct contains necessary information
  * that can be used to associate the decrypted block with a decrypt request
  * and/or an input block.
  */
@@ skipping 436 matching lines @@
 /**
  * <code>PP_CdmKeyStatus</code> contains key status constants.
  */
 [assert_size(4)]
 enum PP_CdmKeyStatus {
   PP_CDMKEYSTATUS_USABLE = 0,
   PP_CDMKEYSTATUS_INVALID = 1,
   PP_CDMKEYSTATUS_EXPIRED = 2,
   PP_CDMKEYSTATUS_OUTPUTRESTRICTED = 3,
   PP_CDMKEYSTATUS_OUTPUTDOWNSCALED = 4,
-  PP_CDMKEYSTATUS_STATUSPENDING = 5
+  PP_CDMKEYSTATUS_STATUSPENDING = 5,
+  PP_CDMKEYSTATUS_RELEASED = 6
 };
 
 /**
  * The <code>PP_KeyInformation</code> struct contains information about a
  * key used for decryption.
  */
 [assert_size(524)]
 struct PP_KeyInformation {
   /**
    * Key ID.
    */
   uint8_t[512] key_id;
   uint32_t key_id_size;
 
   /**
    * Status of this key.
    */
   PP_CdmKeyStatus key_status;
 
   /**
    * Optional error code for keys that are not usable.
    */
   uint32_t system_code;
 };