Add setPriority to WebURLRequest

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 303 matching lines @@
 
     return *m_private->m_resourceRequest;
 }
 
 WebURLRequest::Priority WebURLRequest::priority() const
 {
     return static_cast<WebURLRequest::Priority>(
         m_private->m_resourceRequest->priority());
 }
 
+void WebURLRequest::setPriority(WebURLRequest::Priority priority)
+{
+    m_private->m_resourceRequest->setPriority(
+        static_cast<ResourceLoadPriority>(priority));
+}
+
 const ResourceRequest& WebURLRequest::toResourceRequest() const
 {
     ASSERT(m_private);
     ASSERT(m_private->m_resourceRequest);
 
     return *m_private->m_resourceRequest;
 }
 
 void WebURLRequest::assign(WebURLRequestPrivate* p)
 {
     // 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