Connect PpapiDecryptor and PluginInstance.

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.
  */
 [assert_size(16)]
 struct PP_DecryptTrackingInfo {
   /**
    * Client-specified identifier for the associated decrypt request. By using
    * this value, the client can associate the decrypted block with a decryption
    * request.
    */
-  uint64_t request_id;
+  uint32_t request_id;
+
+  /**
+   * 4-byte padding to make the size of <code>PP_DecryptTrackingInfo</code>
+   * a multiple of 8 bytes and make sure |timestamp| starts on 8-byte boundary.
+   * The value of this field should not be used.
+   */
+  uint32_t padding;
 
   /**
    * Timestamp in microseconds of the associated block. By using this value,
    * the client can associate the decrypted (and decoded) data with an input
    * block. This is needed because buffers may be delivered out of order and
    * not in response to the <code>request_id</code> they were provided with.
    */
   int64_t timestamp;
 };
 
@@ skipping 114 matching lines @@
    * Result of the decryption (and/or decoding) operation.
    */
   PP_DecryptResult result;
 
   /**
    * 4-byte padding to make the size of <code>PP_DecryptedBlockInfo</code>
    * a multiple of 8 bytes. The value of this field should not be used.
    */
   uint32_t padding;
 };