Consistently use LoFi for an entire page

content/public/common/resource_response_info.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_INFO_H_
 #define CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_INFO_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 111 matching lines @@
 
   // The time immediately before starting ServiceWorker. If the response is not
   // provided by the ServiceWorker, kept empty.
   // TODO(ksakamoto): Move this to net::LoadTimingInfo.
   base::TimeTicks service_worker_start_time;
 
   // The time immediately before dispatching fetch event in ServiceWorker.
   // If the response is not provided by the ServiceWorker, kept empty.
   // TODO(ksakamoto): Move this to net::LoadTimingInfo.
   base::TimeTicks service_worker_ready_time;
+
+  // Whether or not the request was for a LoFi version of the resource.
+  bool is_using_lofi;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_INFO_H_