Make the request initiator Optional

content/child/web_url_loader_impl.cc

 // Copyright 2014 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/child/web_url_loader_impl.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
+#include "base/optional.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "components/mime_util/mime_util.h"
 #include "content/child/child_thread_impl.h"
 #include "content/child/ftp_directory_listing_response_delegate.h"
 #include "content/child/request_extra_data.h"
 #include "content/child/resource_dispatcher.h"
@@ skipping 513 matching lines @@
   // creating the GURLs.
 
   // TODO(horo): Check credentials flag is unset when credentials mode is omit.
   //             Check credentials flag is set when credentials mode is include.
 
   std::unique_ptr<ResourceRequest> resource_request(new ResourceRequest);
 
   resource_request->method = method;
   resource_request->url = url;
   resource_request->first_party_for_cookies = request.firstPartyForCookies();
-  resource_request->request_initiator = request.requestorOrigin();
+  resource_request->request_initiator =
+      request.requestorOrigin().isNull()
+          ? base::Optional<url::Origin>()
+          : base::Optional<url::Origin>(request.requestorOrigin());
   resource_request->referrer = referrer_url;
 
   resource_request->referrer_policy = request.referrerPolicy();
 
   resource_request->headers = GetWebURLRequestHeaders(request);
   resource_request->load_flags = GetLoadFlagsForWebURLRequest(request);
   // origin_pid only needs to be non-zero if the request originates outside
   // the render process, so we can use requestorProcessID even for requests
   // from in-process plugins.
   resource_request->origin_pid = request.requestorProcessID();
@@ skipping 677 matching lines @@
                                          int intra_priority_value) {
   context_->DidChangePriority(new_priority, intra_priority_value);
 }
 
 void WebURLLoaderImpl::setLoadingTaskRunner(
     blink::WebTaskRunner* loading_task_runner) {
   context_->SetTaskRunner(loading_task_runner->toSingleThreadTaskRunner());
 }
 
 }  // namespace content