CORS-RFC1918: Teach ResourceRequest about "external" requests

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 863 matching lines @@
     m_uploadEventsAllowed = m_sameOriginRequest || uploadEvents || !FetchUtils::isSimpleRequest(m_method, m_requestHeaders);
 
     ASSERT(executionContext());
     ExecutionContext& executionContext = *this->executionContext();
 
     ResourceRequest request(m_url);
     request.setHTTPMethod(m_method);
     request.setRequestContext(WebURLRequest::RequestContextXMLHttpRequest);
     request.setFetchCredentialsMode(m_includeCredentials ? WebURLRequest::FetchCredentialsModeInclude : WebURLRequest::FetchCredentialsModeSameOrigin);
     request.setSkipServiceWorker(m_isolatedWorldSecurityOrigin);
+    request.setExternalRequestStateFromRequestorAddressSpace(executionContext.securityContext().addressSpace());
 
     InspectorInstrumentation::willLoadXHR(&executionContext, this, this, m_method, m_url, m_async, httpBody ? httpBody->deepCopy() : nullptr, m_requestHeaders, m_includeCredentials);
 
     if (httpBody) {
         ASSERT(m_method != HTTPNames::GET);
         ASSERT(m_method != HTTPNames::HEAD);
         request.setHTTPBody(httpBody);
     }
 
     if (m_requestHeaders.size() > 0)
@@ skipping 807 matching lines @@
     visitor->trace(m_responseDocumentParser);
     visitor->trace(m_progressEventThrottle);
     visitor->trace(m_upload);
     visitor->trace(m_blobLoader);
     XMLHttpRequestEventTarget::trace(visitor);
     DocumentParserClient::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink