Do not revalidate when ResourceLoaderOptions.synchronousPolicy is different

third_party/WebKit/Source/core/fetch/ResourceFetcher.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
     rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
@@ skipping 823 matching lines @@
   // Similarly, a request with manually added revalidation headers can lead to a
   // 304 response for a request that wasn't flagged as a revalidation attempt.
   // Normally, successful revalidation will maintain the original response's
   // status code, but for a manual revalidation the response code remains 304.
   // In this case, the Resource likely has insufficient context to provide a
   // useful cache hit or revalidation. See http://crbug.com/643659
   if (request.isConditional() ||
       existingResource->response().httpStatusCode() == 304)
     return Reload;
 
-  // Don't try to reuse an in-progress async request for a new sync request.
-  if (fetchRequest.options().synchronousPolicy == RequestSynchronously &&
-      existingResource->isLoading())
-    return Reload;
-
   // Don't reload resources while pasting.
   if (m_allowStaleResources)
     return Use;
 
   if (!fetchRequest.options().canReuseRequest(existingResource->options()))
     return Reload;
 
   // Always use preloads.
   if (existingResource->isPreloaded())
     return Use;
@@ skipping 717 matching lines @@
   visitor->trace(m_context);
   visitor->trace(m_archive);
   visitor->trace(m_loaders);
   visitor->trace(m_nonBlockingLoaders);
   visitor->trace(m_documentResources);
   visitor->trace(m_preloads);
   visitor->trace(m_resourceTimingInfoMap);
 }
 
 }  // namespace blink