Remove FileError interface

third_party/WebKit/Source/modules/filesystem/FileSystemCallbacks.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 51 matching lines @@
     void didFail(int code) final;
 
     // Other callback methods are implemented by each subclass.
 
 protected:
     FileSystemCallbacksBase(ErrorCallback*, DOMFileSystemBase*, ExecutionContext*);
 
     bool shouldScheduleCallback() const;
 
     template <typename CB, typename CBArg>
-    void handleEventOrScheduleCallback(CB*, CBArg*);
+    void handleEventOrScheduleCallback(CB*, CBArg);
 
     template <typename CB>
     void handleEventOrScheduleCallback(CB*);
 
     Persistent<ErrorCallback> m_errorCallback;
     Persistent<DOMFileSystemBase> m_fileSystem;
     Persistent<ExecutionContext> m_executionContext;
     int m_asyncOperationId;
 };
 
@@ skipping 85 matching lines @@
     void didSucceed() override;
 
 private:
     VoidCallbacks(VoidCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
     Persistent<VoidCallback> m_successCallback;
 };
 
 } // namespace blink
 
 #endif // FileSystemCallbacks_h