Change net::LOAD_MAIN_FRAME to net::LOAD_MAIN_FRAME_DEPRECATED to discourage

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 104 matching lines @@
   new_request->set_first_party_for_cookies(
       for_request.first_party_for_cookies());
   new_request->set_initiator(for_request.initiator());
   new_request->set_first_party_url_policy(for_request.first_party_url_policy());
 
   new_request->SetReferrer(for_request.referrer());
   new_request->set_referrer_policy(for_request.referrer_policy());
 
   new_request->SetExtraRequestHeaders(headers);
 
-  // Remove LOAD_SUPPORT_ASYNC_REVALIDATION and LOAD_MAIN_FRAME flags.
+  // Remove LOAD_SUPPORT_ASYNC_REVALIDATION and LOAD_MAIN_FRAME_DEPRECATED
+  // flags.
   // Also remove things which shouldn't have been there to begin with,
   // and unrecognised flags.
   int load_flags =
       for_request.load_flags() &
       (net::LOAD_DO_NOT_SAVE_COOKIES | net::LOAD_BYPASS_PROXY |
        net::LOAD_VERIFY_EV_CERT | net::LOAD_DO_NOT_SEND_COOKIES |
        net::LOAD_DO_NOT_SEND_AUTH_DATA | net::LOAD_MAYBE_USER_GESTURE |
        net::LOAD_DO_NOT_USE_EMBEDDED_IDENTITY);
   new_request->SetLoadFlags(load_flags);
 
@@ skipping 47 matching lines @@
 
   return true;
 }
 
 void AsyncRevalidationManager::OnAsyncRevalidationComplete(
     AsyncRevalidationMap::iterator it) {
   in_progress_.erase(it);
 }
 
 }  // namespace content