Removed unused NeedKey callback from Decryptors.

webkit/renderer/media/crypto/ppapi/clear_key_cdm.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 WEBKIT_RENDERER_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_
 #define WEBKIT_RENDERER_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 52 matching lines @@
   virtual void Destroy() OVERRIDE;
 
  private:
   // TODO(xhwang): After we removed DecryptorClient. We probably can also remove
   // this Client class as well. Investigate this possibility.
   class Client {
    public:
     enum Status {
       kKeyAdded,
       kKeyError,
-      kKeyMessage,
-      kNeedKey
+      kKeyMessage
     };
 
     Client();
     virtual ~Client();
 
     Status status() { return status_; }
     const std::string& session_id() { return session_id_; }
     const std::string& key_message() { return key_message_; }
     const std::string& default_url() { return default_url_; }
 
     // Resets the Client to a clean state.
     void Reset();
 
     void KeyAdded(const std::string& session_id);
     void KeyError(const std::string& session_id,
                   media::MediaKeys::KeyError error_code,
                   int system_code);
     void KeyMessage(const std::string& session_id,
                     const std::string& message,
                     const std::string& default_url);
-    void NeedKey(const std::string& session_id,
-                 const std::string& type,
-                 scoped_ptr<uint8[]> init_data, int init_data_length);
 
    private:
     Status status_;
     std::string session_id_;
     std::string key_message_;
     std::string default_url_;
   };
 
   // Prepares next heartbeat message and sets a timer for it.
   void ScheduleNextHeartBeat();
@@ skipping 56 matching lines @@
 #endif  // CLEAR_KEY_CDM_USE_FFMPEG_DECODER
 
   scoped_ptr<CdmVideoDecoder> video_decoder_;
 
   DISALLOW_COPY_AND_ASSIGN(ClearKeyCdm);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_RENDERER_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_