Rename OwnPtr::clear() to reset() in core/.

third_party/WebKit/Source/core/xmlhttprequest/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 974 matching lines @@
     m_state = UNSENT;
 }
 
 void XMLHttpRequest::clearVariablesForLoading()
 {
     if (m_blobLoader) {
         m_blobLoader->cancel();
         m_blobLoader = nullptr;
     }
 
-    m_decoder.clear();
+    m_decoder.reset();
 
     if (m_responseDocumentParser) {
         m_responseDocumentParser->removeClient(this);
         m_responseDocumentParser->detach();
         m_responseDocumentParser = nullptr;
     }
 
     m_finalResponseCharset = String();
 }
 
@@ skipping 708 matching lines @@
     visitor->trace(m_responseArrayBuffer);
     visitor->trace(m_progressEventThrottle);
     visitor->trace(m_upload);
     visitor->trace(m_blobLoader);
     XMLHttpRequestEventTarget::trace(visitor);
     DocumentParserClient::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink