Generalize Pepper CDM API decrypt and decode.

ppapi/proxy/ppp_content_decryptor_private_proxy.h

 // 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.
 
 #ifndef PPAPI_PROXY_PPP_CONTENT_DECRYPTOR_PRIVATE_PROXY_H_
 #define PPAPI_PROXY_PPP_CONTENT_DECRYPTOR_PRIVATE_PROXY_H_
 
 #include <string>
 
 #include "ppapi/c/pp_instance.h"
@@ skipping 34 matching lines @@
   void OnMsgInitializeVideoDecoder(
       PP_Instance instance,
       const std::string& decoder_config,
       const PPPDecryptor_Buffer& extra_data_buffer);
   void OnMsgDeinitializeDecoder(PP_Instance instance,
                                 PP_DecryptorStreamType decoder_type,
                                 uint32_t request_id);
   void OnMsgResetDecoder(PP_Instance instance,
                          PP_DecryptorStreamType decoder_type,
                          uint32_t request_id);
-  void OnMsgDecryptAndDecodeFrame(
+  void OnMsgDecryptAndDecode(
       PP_Instance instance,
-      const PPPDecryptor_Buffer& encrypted_frame,
-      const std::string& serialized_encrypted_frame_info);
+      PP_DecryptorStreamType decoder_type,
+      const PPPDecryptor_Buffer& encrypted_buffer,
+      const std::string& serialized_encrypted_block_info);
 
   const PPP_ContentDecryptor_Private* ppp_decryptor_impl_;
 
   DISALLOW_COPY_AND_ASSIGN(PPP_ContentDecryptor_Private_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPP_CONTENT_DECRYPTOR_PRIVATE_PROXY_H_