DO NOT SUBMIT really old prototype of sprite recognition for image replacement

third_party/WebKit/Source/core/fetch/Resource.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) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 866 matching lines @@
     WebMemoryAllocatorDump* overheadDump = memoryDump->createMemoryAllocatorDump(overheadName);
     overheadDump->addScalar("size", "bytes", overheadSize());
     memoryDump->addSuballocation(overheadDump->guid(), String(WTF::Partitions::kAllocatedObjectPoolName));
 }
 
 String Resource::getMemoryDumpName() const
 {
     return String::format("web_cache/%s_resources/%ld", resourceTypeToString(getType(), options().initiatorInfo), m_identifier);
 }
 
-void Resource::setCachePolicyBypassingCache()
+void Resource::setResourceRequest(const ResourceRequest& resourceRequest)
 {
-    m_resourceRequest.setCachePolicy(WebCachePolicy::BypassingCache);
-}
-
-void Resource::setLoFiStateOff()
-{
-    m_resourceRequest.setLoFiState(WebURLRequest::LoFiOff);
+    if (&m_resourceRequest != &resourceRequest)
+        m_resourceRequest = resourceRequest;
 }
 
 void Resource::revalidationSucceeded(const ResourceResponse& validatingResponse)
 {
     SECURITY_CHECK(m_redirectChain.isEmpty());
     SECURITY_CHECK(equalIgnoringFragmentIdentifier(validatingResponse.url(), m_response.url()));
     m_response.setResourceLoadTiming(validatingResponse.resourceLoadTiming());
 
     // RFC2616 10.3.5
     // Update cached headers from the 304 response
@@ skipping 155 matching lines @@
     case Resource::TextTrack:
     case Resource::Media:
     case Resource::Manifest:
         return false;
     }
     NOTREACHED();
     return false;
 }
 
 } // namespace blink