Add ascii() / latin1() / utf8() methods to AtomicString to avoid having to call string()

Source/core/xml/XMLHttpRequest.cpp

 /*
  *  Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005-2007 Alexey Proskuryakov <ap@webkit.org>
  *  Copyright (C) 2007, 2008 Julien Chaffraix <jchaffraix@webkit.org>
  *  Copyright (C) 2008, 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
@@ skipping 499 matching lines @@
         && !name.startsWith(staticData->m_secHeaderPrefix, false);
 }
 
 void XMLHttpRequest::open(const AtomicString& method, const KURL& url, ExceptionState& exceptionState)
 {
     open(method, url, true, exceptionState);
 }
 
 void XMLHttpRequest::open(const AtomicString& method, const KURL& url, bool async, ExceptionState& exceptionState)
 {
-    WTF_LOG(Network, "XMLHttpRequest %p open('%s', '%s', %d)", this, method.string().utf8().data(), url.elidedString().utf8().data(), async);
+    WTF_LOG(Network, "XMLHttpRequest %p open('%s', '%s', %d)", this, method.utf8().data(), url.elidedString().utf8().data(), async);
 
     if (!internalAbort())
         return;
 
     State previousState = m_state;
     m_state = UNSENT;
     m_error = false;
     m_uploadComplete = false;
 
     // clear stuff from possible previous load
@@ skipping 892 matching lines @@
 {
     return EventTargetNames::XMLHttpRequest;
 }
 
 ExecutionContext* XMLHttpRequest::executionContext() const
 {
     return ActiveDOMObject::executionContext();
 }
 
 } // namespace WebCore