Make the request initiator Optional

content/common/net/url_fetcher.cc

 // Copyright (c) 2012 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/public/common/url_fetcher.h"
 
 #include "base/bind.h"
 #include "content/common/net/url_request_user_data.h"
 #include "net/url_request/url_fetcher.h"
 
 namespace content {
 
 namespace {
 
 base::SupportsUserData::Data* CreateURLRequestUserData(int render_process_id,
                                                        int render_frame_id) {
   return new URLRequestUserData(render_process_id, render_frame_id);
 }
 
 }  // namespace
 
-void AssociateURLFetcherWithRenderFrame(net::URLFetcher* url_fetcher,
-                                        const GURL& initiator,
-                                        int render_process_id,
-                                        int render_frame_id) {
-  url_fetcher->SetInitiatorURL(initiator);
+void AssociateURLFetcherWithRenderFrame(
+    net::URLFetcher* url_fetcher,
+    const base::Optional<url::Origin>& initiator,
+    int render_process_id,
+    int render_frame_id) {
+  url_fetcher->SetInitiator(initiator);
   url_fetcher->SetURLRequestUserData(
       URLRequestUserData::kUserDataKey,
-      base::Bind(&CreateURLRequestUserData,
-                 render_process_id, render_frame_id));
+      base::Bind(&CreateURLRequestUserData, render_process_id,
+                 render_frame_id));
 }
 
 }  // namespace content