[HttpCache] LOAD_ONLY_FROM_CACHE should not imply LOAD_PREFERRING_CACHE

content/browser/loader/async_revalidation_manager.cc

 // Copyright 2015 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 "content/browser/loader/async_revalidation_manager.h"
 
 #include <tuple>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 151 matching lines @@
        it != in_progress_.end() &&
        it->first.resource_context == resource_context;) {
     it = in_progress_.erase(it);
   }
 }
 
 bool AsyncRevalidationManager::QualifiesForAsyncRevalidation(
     const ResourceRequest& request) {
   if (request.load_flags &
       (net::LOAD_BYPASS_CACHE | net::LOAD_DISABLE_CACHE |
-       net::LOAD_VALIDATE_CACHE | net::LOAD_PREFERRING_CACHE |
+       net::LOAD_VALIDATE_CACHE | net::LOAD_SKIP_CACHE_VALIDATION |
        net::LOAD_ONLY_FROM_CACHE | net::LOAD_IGNORE_LIMITS |
        net::LOAD_PREFETCH)) {
     return false;
   }
   if (request.method != "GET")
     return false;
   // A GET request should not have a body.
   if (request.request_body.get())
     return false;
   if (!request.url.SchemeIsHTTPOrHTTPS())
     return false;
 
   return true;
 }
 
 void AsyncRevalidationManager::OnAsyncRevalidationComplete(
     AsyncRevalidationMap::iterator it) {
   in_progress_.erase(it);
 }
 
 }  // namespace content