Update Decryptor interface to support audio decoding.

webkit/media/crypto/ppapi_decryptor.h

Index: webkit/media/crypto/ppapi_decryptor.h
diff --git a/webkit/media/crypto/ppapi_decryptor.h b/webkit/media/crypto/ppapi_decryptor.h
index c6c035f2df35797c79ee6783dc3bc8de3cf166d6..b65eb19d39dc1d0f85430993d2d20ae0c1e78d0f 100644
--- a/webkit/media/crypto/ppapi_decryptor.h
+++ b/webkit/media/crypto/ppapi_decryptor.h
@@ -50,31 +50,43 @@ class PpapiDecryptor : public media::Decryptor {
                       const std::string& session_id) OVERRIDE;
   virtual void CancelKeyRequest(const std::string& key_system,
                                 const std::string& session_id) OVERRIDE;
-  virtual void Decrypt(const scoped_refptr<media::DecoderBuffer>& encrypted,
+  virtual void Decrypt(StreamType stream_type,
+                       const scoped_refptr<media::DecoderBuffer>& encrypted,
                        const DecryptCB& decrypt_cb) OVERRIDE;
-  virtual void CancelDecrypt() OVERRIDE;
+  virtual void CancelDecrypt(StreamType stream_type) OVERRIDE;
+  virtual void InitializeAudioDecoder(
+      scoped_ptr<media::AudioDecoderConfig> config,
+      const DecoderInitCB& init_cb,
+      const KeyAddedCB& key_added_cb) OVERRIDE;
   virtual void InitializeVideoDecoder(
       scoped_ptr<media::VideoDecoderConfig> config,
       const DecoderInitCB& init_cb,
       const KeyAddedCB& key_added_cb) OVERRIDE;
+  virtual void DecryptAndDecodeAudio(
+      const scoped_refptr<media::DecoderBuffer>& encrypted,
+      const AudioDecodeCB& audio_decode_cb) OVERRIDE;
   virtual void DecryptAndDecodeVideo(
       const scoped_refptr<media::DecoderBuffer>& encrypted,
       const VideoDecodeCB& video_decode_cb) OVERRIDE;
-  virtual void CancelDecryptAndDecodeVideo() OVERRIDE;
-  virtual void StopVideoDecoder() OVERRIDE;
+  virtual void ResetDecoder(StreamType stream_type) OVERRIDE;
+  virtual void DeinitializeDecoder(StreamType stream_type) OVERRIDE;
 
  private:
   void ReportFailureToCallPlugin(const std::string& key_system,
                                  const std::string& session_id);
 
-  void OnVideoDecoderInitialized(bool success);
+  void OnDecoderInitialized(StreamType stream_type,
+                            const KeyAddedCB& key_added_cb,
+                            bool success);
 
   media::DecryptorClient* client_;
   scoped_refptr<webkit::ppapi::PluginInstance> cdm_plugin_;
   scoped_refptr<base::MessageLoopProxy> render_loop_proxy_;
 
+  DecoderInitCB audio_decoder_init_cb_;
   DecoderInitCB video_decoder_init_cb_;
-  KeyAddedCB key_added_cb_;
+  KeyAddedCB audio_key_added_cb_;
+  KeyAddedCB video_key_added_cb_;
 
   base::WeakPtrFactory<PpapiDecryptor> weak_ptr_factory_;
   base::WeakPtr<PpapiDecryptor> weak_this_;