Removed unused NeedKey callback from Decryptors.

webkit/renderer/media/crypto/ppapi_decryptor.h

Index: webkit/renderer/media/crypto/ppapi_decryptor.h
diff --git a/webkit/renderer/media/crypto/ppapi_decryptor.h b/webkit/renderer/media/crypto/ppapi_decryptor.h
index 6a360f47797a6fe0773c0b4d4335c83bcb2f781f..027af323b2211ff29fe07688305ebef7743b5654 100644
--- a/webkit/renderer/media/crypto/ppapi_decryptor.h
+++ b/webkit/renderer/media/crypto/ppapi_decryptor.h
@@ -38,7 +38,6 @@ class PpapiDecryptor : public media::MediaKeys, public media::Decryptor {
       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 base::Closure& destroy_plugin_cb);
 
   virtual ~PpapiDecryptor();
@@ -80,7 +79,6 @@ class PpapiDecryptor : public media::MediaKeys, public media::Decryptor {
       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 base::Closure& destroy_plugin_cb);
 
   void ReportFailureToCallPlugin(const std::string& session_id);
@@ -95,9 +93,6 @@ class PpapiDecryptor : public media::MediaKeys, public media::Decryptor {
   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);
 
   // Hold a reference of the plugin instance to make sure the plugin outlives
   // the |plugin_cdm_delegate_|. This is needed because |plugin_cdm_delegate_|
@@ -110,7 +105,6 @@ class PpapiDecryptor : public media::MediaKeys, public media::Decryptor {
   media::KeyAddedCB key_added_cb_;
   media::KeyErrorCB key_error_cb_;
   media::KeyMessageCB key_message_cb_;
-  media::NeedKeyCB need_key_cb_;
 
   // Called to destroy the helper plugin when this class no longer needs it.
   base::Closure destroy_plugin_cb_;