Deprecate FileError in FileAPI

Source/core/fileapi/FileError.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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FileError_h
 #define FileError_h
 
 #include "bindings/v8/ScriptWrappable.h"
+#include "core/dom/DOMError.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class ExceptionState;
 
-class FileError : public RefCounted<FileError>, public ScriptWrappable {
+class FileError : public DOMError {
 public:
     enum ErrorCode {
         OK = 0,
         NOT_FOUND_ERR = 1,
         SECURITY_ERR = 2,
         ABORT_ERR = 3,
         NOT_READABLE_ERR = 4,
         ENCODING_ERR = 5,
         NO_MODIFICATION_ALLOWED_ERR = 6,
         INVALID_STATE_ERR = 7,
@@ skipping 16 matching lines @@
     static const char syntaxErrorMessage[];
     static const char typeMismatchErrorMessage[];
 
     static PassRefPtr<FileError> create(ErrorCode code) { return adoptRef(new FileError(code)); }
 
     ErrorCode code() const { return m_code; }
 
     static void throwDOMException(ExceptionState&, ErrorCode);
 
 private:
-    FileError(ErrorCode code)
-        : m_code(code)
-    {
-        ScriptWrappable::init(this);
-    }
+    explicit FileError(ErrorCode);
 
     ErrorCode m_code;
 };
 
 } // namespace WebCore
 
 #endif // FileError_h