Make it possible to set the HTTP origin header from content

Source/platform/exported/WebURLRequest.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 220 matching lines @@
     if (targetType == TargetIsTextTrack || targetType == TargetIsUnspecified)
         return TargetIsSubresource;
     return targetType;
 }
 
 WebReferrerPolicy WebURLRequest::referrerPolicy() const
 {
     return static_cast<WebReferrerPolicy>(m_private->m_resourceRequest->referrerPolicy());
 }
 
+void WebURLRequest::addHTTPOriginIfNeeded(const WebString& origin)
+{
+    m_private->m_resourceRequest->addHTTPOriginIfNeeded(origin);
+}
+
 bool WebURLRequest::hasUserGesture() const
 {
     return m_private->m_resourceRequest->hasUserGesture();
 }
 
 void WebURLRequest::setHasUserGesture(bool hasUserGesture)
 {
     m_private->m_resourceRequest->setHasUserGesture(hasUserGesture);
 }
 
@@ skipping 89 matching lines @@
     // Subclasses may call this directly so a self-assignment check is needed
     // here as well as in the public assign method.
     if (m_private == p)
         return;
     if (m_private)
         m_private->dispose();
     m_private = p;
 }
 
 } // namespace blink