Fix style errors in core/xml/.

Source/core/xml/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 35 matching lines @@
 class ExceptionState;
 class ResourceRequest;
 class SecurityOrigin;
 class SharedBuffer;
 class Stream;
 class TextResourceDecoder;
 class ThreadableLoader;
 
 typedef int ExceptionCode;
 
-class XMLHttpRequest FINAL : public RefCountedWillBeRefCountedGarbageCollected<XMLHttpRequest>, public ScriptWrappable, public XMLHttpRequestEventTarget, private ThreadableLoaderClient, public ActiveDOMObject {
+class XMLHttpRequest FINAL
+    : public RefCountedWillBeRefCountedGarbageCollected<XMLHttpRequest>
+    , public ScriptWrappable
+    , public XMLHttpRequestEventTarget
+    , private ThreadableLoaderClient
+    , public ActiveDOMObject {
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
     REFCOUNTED_EVENT_TARGET(XMLHttpRequest);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(XMLHttpRequest);
 public:
     static PassRefPtrWillBeRawPtr<XMLHttpRequest> create(ExecutionContext*, PassRefPtr<SecurityOrigin> = nullptr);
     virtual ~XMLHttpRequest();
 
     // These exact numeric values are important because JS expects them.
     enum State {
         UNSENT = 0,
@@ skipping 195 matching lines @@
 
     // An enum corresponding to the allowed string values for the responseType attribute.
     ResponseTypeCode m_responseTypeCode;
     AsyncMethodRunner<XMLHttpRequest> m_dropProtectionRunner;
     RefPtr<SecurityOrigin> m_securityOrigin;
 };
 
 } // namespace WebCore
 
 #endif // XMLHttpRequest_h