Consistently use LoFi for an entire page

content/public/common/resource_response_info.h

Index: content/public/common/resource_response_info.h
diff --git a/content/public/common/resource_response_info.h b/content/public/common/resource_response_info.h
index d7d1698d451d10cab8ada43fa9167cf732f5e54b..1a0f126cde3f849ccbdf2d08dc2526a4870a10b3 100644
--- a/content/public/common/resource_response_info.h
+++ b/content/public/common/resource_response_info.h
@@ -129,6 +129,9 @@ struct ResourceResponseInfo {
   // 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