Add Decryptor interface.

webkit/media/webmediaplayer_impl.h

Index: webkit/media/webmediaplayer_impl.h
diff --git a/webkit/media/webmediaplayer_impl.h b/webkit/media/webmediaplayer_impl.h
index 30d15f00a649061163b8b723e94b1445d558d154..6dd8135bd34193f40b6776ab6526e4fe9d40e438 100644
--- a/webkit/media/webmediaplayer_impl.h
+++ b/webkit/media/webmediaplayer_impl.h
@@ -73,7 +73,7 @@ class WebFrame;
 }
 
 namespace media {
-class AesDecryptor;
+class Decryptor;
 class MediaLog;
 }
 
@@ -232,7 +232,7 @@ class WebMediaPlayerImpl
   void OnKeyAdded(const std::string& key_system, const std::string& session_id);
   void OnKeyError(const std::string& key_system,
                   const std::string& session_id,
-                  media::AesDecryptor::KeyError error_code,
+                  media::Decryptor::KeyError error_code,
                   int system_code);
   void OnKeyMessage(const std::string& key_system,
                     const std::string& session_id,
@@ -294,7 +294,7 @@ class WebMediaPlayerImpl
   bool started_;
 
   // The decryptor that manages decryption keys and decrypts encrypted frames.
-  scoped_ptr<media::AesDecryptor> decryptor_;
+  scoped_ptr<media::Decryptor> decryptor_;
 
   scoped_ptr<media::MessageLoopFactory> message_loop_factory_;