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

net/http/http_cache_transaction.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_cache_transaction.h"
 
 #include "build/build_config.h"  // For OS_POSIX
 
 #if defined(OS_POSIX)
 #include <unistd.h>
@@ skipping 1962 matching lines @@
 
   if (request_->method == "DELETE")
     return false;
 
   return true;
 }
 
 int HttpCache::Transaction::BeginCacheRead() {
   // We don't support any combination of LOAD_ONLY_FROM_CACHE and byte ranges.
   if (response_.headers->response_code() == 206 || partial_) {
-    NOTREACHED();
     return ERR_CACHE_MISS;
   }
 
   if (request_->method == "HEAD")
     FixHeadersForHead();
 
   // We don't have the whole resource.
   if (truncated_)
     return ERR_CACHE_MISS;
 
@@ skipping 945 matching lines @@
     default:
       NOTREACHED();
   }
 }
 
 void HttpCache::Transaction::OnIOComplete(int result) {
   DoLoop(result);
 }
 
 }  // namespace net