Remove stale-while-revalidate from blink

third_party/WebKit/Source/platform/loader/fetch/ResourceResponse.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 435 matching lines @@
 
 double ResourceResponse::cacheControlMaxAge() const {
   if (!m_cacheControlHeader.parsed) {
     m_cacheControlHeader =
         parseCacheControlDirectives(m_httpHeaderFields.get(cacheControlHeader),
                                     m_httpHeaderFields.get(pragmaHeader));
   }
   return m_cacheControlHeader.maxAge;
 }
 
-double ResourceResponse::cacheControlStaleWhileRevalidate() const {
-  if (!m_cacheControlHeader.parsed) {
-    m_cacheControlHeader =
-        parseCacheControlDirectives(m_httpHeaderFields.get(cacheControlHeader),
-                                    m_httpHeaderFields.get(pragmaHeader));
-  }
-  return m_cacheControlHeader.staleWhileRevalidate;
-}
-
 static double parseDateValueInHeader(const HTTPHeaderMap& headers,
                                      const AtomicString& headerName) {
   const AtomicString& headerValue = headers.get(headerName);
   if (headerValue.isEmpty())
     return std::numeric_limits<double>::quiet_NaN();
   // This handles all date formats required by RFC2616:
   // Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123
   // Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
   // Sun Nov  6 08:49:37 1994       ; ANSI C's asctime() format
   double dateInMilliseconds = parseDate(headerValue);
@@ skipping 159 matching lines @@
   if (a.resourceLoadTiming() != b.resourceLoadTiming())
     return false;
   if (a.encodedBodyLength() != b.encodedBodyLength())
     return false;
   if (a.decodedBodyLength() != b.decodedBodyLength())
     return false;
   return true;
 }
 
 }  // namespace blink