Remove FileError interface

third_party/WebKit/Source/modules/filesystem/FileWriter.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 @@
         INIT = 0,
         WRITING = 1,
         DONE = 2
     };
 
     void write(Blob*, ExceptionState&);
     void seek(long long position, ExceptionState&);
     void truncate(long long length, ExceptionState&);
     void abort(ExceptionState&);
     ReadyState getReadyState() const { return m_readyState; }
-    FileError* error() const { return m_error.get(); }
+    DOMException* error() const { return m_error.get(); }
 
     // WebFileWriterClient
     void didWrite(long long bytes, bool complete) override;
     void didTruncate() override;
     void didFail(WebFileError) override;
 
     // ActiveDOMObject
     void stop() override;
 
     // ActiveScriptWrappable
@@ skipping 25 matching lines @@
     void completeAbort();
 
     void doOperation(Operation);
 
     void signalCompletion(FileError::ErrorCode);
 
     void fireEvent(const AtomicString& type);
 
     void setError(FileError::ErrorCode, ExceptionState&);
 
-    Member<FileError> m_error;
+    Member<DOMException> m_error;
     ReadyState m_readyState;
     Operation m_operationInProgress;
     Operation m_queuedOperation;
     long long m_bytesWritten;
     long long m_bytesToWrite;
     long long m_truncateLength;
     long long m_numAborts;
     long long m_recursionDepth;
     double m_lastProgressNotificationTimeMS;
     Member<Blob> m_blobBeingWritten;
 };
 
 } // namespace blink
 
 #endif // FileWriter_h