Preserve original int64 time stamp in ResourceResponse.

Source/platform/exported/WebURLResponse.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 151 matching lines @@
 double WebURLResponse::responseTime() const
 {
     return m_private->m_resourceResponse->responseTime();
 }
 
 void WebURLResponse::setResponseTime(double responseTime)
 {
     m_private->m_resourceResponse->setResponseTime(responseTime);
 }
 
+long long WebURLResponse::originalResponseTime() const
+{
+    return m_private->m_resourceResponse->originalResponseTime();
+}
+
+void WebURLResponse::setOriginalResponseTime(long long originalResponseTime)
+{
+    m_private->m_resourceResponse->setOriginalResponseTime(originalResponseTime);
+}
+
 WebString WebURLResponse::mimeType() const
 {
     return m_private->m_resourceResponse->mimeType();
 }
 
 void WebURLResponse::setMIMEType(const WebString& mimeType)
 {
     m_private->m_resourceResponse->setMimeType(mimeType);
 }
 
@@ skipping 292 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