Removed unused NeedKey callback from Decryptors.

webkit/renderer/media/crypto/proxy_decryptor.h

Index: webkit/renderer/media/crypto/proxy_decryptor.h
diff --git a/webkit/renderer/media/crypto/proxy_decryptor.h b/webkit/renderer/media/crypto/proxy_decryptor.h
index 0bffe56d942725c2df4a6cf64427d28b993f2b5a..72227e644444a85f800aca6589c862a35839102b 100644
--- a/webkit/renderer/media/crypto/proxy_decryptor.h
+++ b/webkit/renderer/media/crypto/proxy_decryptor.h
@@ -31,8 +31,7 @@ class ProxyDecryptor : public media::MediaKeys {
                  WebKit::WebFrame* web_frame,
                  const media::KeyAddedCB& key_added_cb,
                  const media::KeyErrorCB& key_error_cb,
-                 const media::KeyMessageCB& key_message_cb,
-                 const media::NeedKeyCB& need_key_cb);
+                 const media::KeyMessageCB& key_message_cb);
   virtual ~ProxyDecryptor();
 
   // Only call this once.
@@ -73,9 +72,6 @@ class ProxyDecryptor : public media::MediaKeys {
   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_size);
 
   // Needed to create the PpapiDecryptor.
   WebKit::WebMediaPlayerClient* web_media_player_client_;
@@ -85,7 +81,6 @@ class ProxyDecryptor : public media::MediaKeys {
   media::KeyAddedCB key_added_cb_;
   media::KeyErrorCB key_error_cb_;
   media::KeyMessageCB key_message_cb_;
-  media::NeedKeyCB need_key_cb_;
 
   // Protects the |decryptor_|. Note that |decryptor_| itself should be thread
   // safe as per the Decryptor interface.