Remove redefinitions of ExceptionCode.

third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.h

 /*
  *  Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@nypop.com>
  *  Copyright (C) 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
@@ skipping 10 matching lines @@
  */
 
 #ifndef XMLHttpRequest_h
 #define XMLHttpRequest_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptString.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/TraceWrapperMember.h"
 #include "core/dom/DocumentParserClient.h"
+#include "core/dom/ExceptionCode.h"
 #include "core/dom/SuspendableObject.h"
 #include "core/loader/ThreadableLoaderClient.h"
 #include "core/xmlhttprequest/XMLHttpRequestEventTarget.h"
 #include "core/xmlhttprequest/XMLHttpRequestProgressEventThrottle.h"
 #include "platform/heap/Handle.h"
 #include "platform/network/EncodedFormData.h"
 #include "platform/network/HTTPHeaderMap.h"
 #include "platform/network/ResourceResponse.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicString.h"
-#include "wtf/text/StringBuilder.h"
 #include "wtf/text/WTFString.h"
 #include <memory>
 
 namespace blink {
 
 class ArrayBufferOrArrayBufferViewOrBlobOrDocumentOrStringOrFormData;
 class Blob;
 class BlobDataHandle;
 class DOMArrayBuffer;
 class DOMArrayBufferView;
 class Document;
 class DocumentParser;
 class ExceptionState;
 class ExecutionContext;
 class FormData;
 class ScriptState;
 class SharedBuffer;
 class TextResourceDecoder;
 class ThreadableLoader;
 class WebDataConsumerHandle;
 class XMLHttpRequestUpload;
 
-typedef int ExceptionCode;
-
 class XMLHttpRequest final : public XMLHttpRequestEventTarget,
                              private ThreadableLoaderClient,
                              public DocumentParserClient,
                              public ActiveScriptWrappable<XMLHttpRequest>,
                              public SuspendableObject {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(XMLHttpRequest);
 
  public:
   static XMLHttpRequest* create(ScriptState*);
@@ skipping 257 matching lines @@
   bool m_downloadingToFile;
   bool m_responseTextOverflow;
   bool m_sendFlag;
 };
 
 std::ostream& operator<<(std::ostream&, const XMLHttpRequest*);
 
 }  // namespace blink
 
 #endif  // XMLHttpRequest_h