Change the tracking request sent by NetErrorHelper from FrameTypeTopLevel to FrameTypeNone.

chrome/renderer/net/net_error_helper.cc

 // Copyright (c) 2013 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 "chrome/renderer/net/net_error_helper.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
@@ skipping 279 matching lines @@
     const std::string& tracking_request_body) {
   // If there's already a pending tracking request, this will cancel it.
   tracking_fetcher_.reset(content::ResourceFetcher::Create(tracking_url));
   tracking_fetcher_->SetMethod("POST");
   tracking_fetcher_->SetBody(tracking_request_body);
   tracking_fetcher_->SetHeader("Content-Type", "application/json");
 
   tracking_fetcher_->Start(
       render_frame()->GetWebFrame(),
       blink::WebURLRequest::RequestContextInternal,
-      blink::WebURLRequest::FrameTypeTopLevel,
+      blink::WebURLRequest::FrameTypeNone,
       content::ResourceFetcher::PLATFORM_LOADER,
       base::Bind(&NetErrorHelper::OnTrackingRequestComplete,
                  base::Unretained(this)));
 }
 
 void NetErrorHelper::ReloadPage(bool bypass_cache) {
   render_frame()->GetWebFrame()->reload(
       bypass_cache ? blink::WebFrameLoadType::ReloadBypassingCache
                    : blink::WebFrameLoadType::Reload);
 }
@@ skipping 62 matching lines @@
     const blink::WebURLResponse& response,
     const std::string& data) {
   tracking_fetcher_.reset();
 }
 
 #if defined(OS_ANDROID)
 void NetErrorHelper::OnSetHasOfflinePages(bool has_offline_pages) {
   core_->OnSetHasOfflinePages(has_offline_pages);
 }
 #endif  // defined(OS_ANDROID)