Cast: Adding helper crypto classes

media/cast/audio_receiver/audio_receiver.h

 // Copyright 2013 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 MEDIA_CAST_AUDIO_RECEIVER_AUDIO_RECEIVER_H_
 #define MEDIA_CAST_AUDIO_RECEIVER_AUDIO_RECEIVER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time/tick_clock.h"
 #include "base/time/time.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/cast_receiver.h"
 #include "media/cast/rtcp/rtcp.h"                          // RtcpCastMessage
 #include "media/cast/rtp_receiver/rtp_receiver_defines.h"  // RtpCastHeader
-
-namespace crypto {
-class Encryptor;
-class SymmetricKey;
-}
+#include "media/cast/transport/utility/transport_encryption_handler.h"
 
 namespace media {
 namespace cast {
 
 class AudioDecoder;
 class Framer;
 class LocalRtpAudioData;
 class LocalRtpAudioFeedback;
 class RtpReceiver;
 class RtpReceiverStatistics;
@@ skipping 89 matching lines @@
   scoped_ptr<Framer> audio_buffer_;
   scoped_ptr<AudioDecoder> audio_decoder_;
   scoped_ptr<LocalRtpAudioData> incoming_payload_callback_;
   scoped_ptr<LocalRtpAudioFeedback> incoming_payload_feedback_;
   scoped_ptr<RtpReceiver> rtp_receiver_;
   scoped_ptr<Rtcp> rtcp_;
   scoped_ptr<RtpReceiverStatistics> rtp_audio_receiver_statistics_;
   base::TimeDelta time_offset_;
   base::TimeTicks time_first_incoming_packet_;
   uint32 first_incoming_rtp_timestamp_;
-  scoped_ptr<crypto::Encryptor> decryptor_;
-  scoped_ptr<crypto::SymmetricKey> decryption_key_;
-  std::string iv_mask_;
+  transport::TransportEncryptionHandler decryptor_;
   base::TimeTicks last_playout_time_;
 
   std::list<AudioFrameEncodedCallback> queued_encoded_callbacks_;
   std::list<DecodedAudioCallbackData> queued_decoded_callbacks_;
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_AUDIO_RECEIVER_AUDIO_RECEIVER_H_