Partially implement WorkerFetchContext and WorkerThreadableLoadingContext and add virtual tests

third_party/WebKit/Source/platform/loader/fetch/ResourceRequest.h

 /*
  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2009, 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 281 matching lines @@
 
   double UiStartTime() const { return ui_start_time_; }
   void SetUIStartTime(double ui_start_time_seconds) {
     ui_start_time_ = ui_start_time_seconds;
   }
 
   // https://mikewest.github.io/cors-rfc1918/#external-request
   bool IsExternalRequest() const { return is_external_request_; }
   void SetExternalRequestStateFromRequestorAddressSpace(WebAddressSpace);
 
+  void OverrideLoadingIPCType(WebURLRequest::LoadingIPCType loading_ipc_type) {
+    loading_ipc_type_ = loading_ipc_type;
+  }
+  WebURLRequest::LoadingIPCType GetLoadingIPCType() const {
+    return loading_ipc_type_;
+  }
+
   InputToLoadPerfMetricReportPolicy InputPerfMetricReportPolicy() const {
     return input_perf_metric_report_policy_;
   }
   void SetInputPerfMetricReportPolicy(
       InputToLoadPerfMetricReportPolicy input_perf_metric_report_policy) {
     input_perf_metric_report_policy_ = input_perf_metric_report_policy;
   }
 
   void SetRedirectStatus(RedirectStatus status) { redirect_status_ = status; }
   RedirectStatus GetRedirectStatus() const { return redirect_status_; }
@@ skipping 39 matching lines @@
   WebURLRequest::FrameType frame_type_;
   WebURLRequest::FetchRequestMode fetch_request_mode_;
   WebURLRequest::FetchCredentialsMode fetch_credentials_mode_;
   WebURLRequest::FetchRedirectMode fetch_redirect_mode_;
   WebURLRequest::PreviewsState previews_state_;
   ReferrerPolicy referrer_policy_;
   bool did_set_http_referrer_;
   bool check_for_browser_side_navigation_;
   double ui_start_time_;
   bool is_external_request_;
+  WebURLRequest::LoadingIPCType loading_ipc_type_;
   bool is_same_document_navigation_;
   InputToLoadPerfMetricReportPolicy input_perf_metric_report_policy_;
 
   mutable CacheControlHeader cache_control_header_cache_;
 
   static double default_timeout_interval_;
 
   RedirectStatus redirect_status_;
 
   double navigation_start_ = 0;
@@ skipping 32 matching lines @@
   WebURLRequest::FrameType frame_type_;
   WebURLRequest::FetchRequestMode fetch_request_mode_;
   WebURLRequest::FetchCredentialsMode fetch_credentials_mode_;
   WebURLRequest::FetchRedirectMode fetch_redirect_mode_;
   WebURLRequest::PreviewsState previews_state_;
   ReferrerPolicy referrer_policy_;
   bool did_set_http_referrer_;
   bool check_for_browser_side_navigation_;
   double ui_start_time_;
   bool is_external_request_;
+  WebURLRequest::LoadingIPCType loading_ipc_type_;
   InputToLoadPerfMetricReportPolicy input_perf_metric_report_policy_;
   ResourceRequest::RedirectStatus redirect_status_;
 };
 
 }  // namespace blink
 
 #endif  // ResourceRequest_h