PlzNavigate: Fix wrong "Cache-Control" header.

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 209 matching lines @@
 
   // Reload should reflect the current data saver setting.
   if (IsReloadLoadType(MasterDocumentLoader()->LoadType()))
     request.ClearHTTPHeaderField("Save-Data");
 
   if (GetFrame()->GetSettings() &&
       GetFrame()->GetSettings()->GetDataSaverEnabled())
     request.SetHTTPHeaderField("Save-Data", "on");
 }
 
+// TODO(toyoshim, arthursonzogni): PlzNavigate doesn't use this function to set
+// the ResourceRequest's cache policy. The cache policy determination needs to
+// be factored out from FrameFetchContext and moved to the FrameLoader for
+// instance.
 WebCachePolicy FrameFetchContext::ResourceRequestCachePolicy(
     const ResourceRequest& request,
     Resource::Type type,
     FetchParameters::DeferOption defer) const {
   DCHECK(GetFrame());
   if (type == Resource::kMainResource) {
     const WebCachePolicy cache_policy = DetermineWebCachePolicy(
         request.HttpMethod() == "POST" ? RequestMethod::kIsPost
                                        : RequestMethod::kIsNotPost,
         request.IsConditional() ? RequestType::kIsConditional
@@ skipping 530 matching lines @@
 std::unique_ptr<WebURLLoader> FrameFetchContext::CreateURLLoader() {
   return Platform::Current()->CreateURLLoader();
 }
 
 DEFINE_TRACE(FrameFetchContext) {
   visitor->Trace(document_loader_);
   BaseFetchContext::Trace(visitor);
 }
 
 }  // namespace blink