Make the request initiator Optional

net/url_request/url_fetcher.h

 // 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.
 
 #ifndef NET_URL_REQUEST_URL_FETCHER_H_
 #define NET_URL_REQUEST_URL_FETCHER_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "base/supports_user_data.h"
 #include "net/base/net_export.h"
 #include "net/url_request/url_request.h"
 
 class GURL;
 
 namespace base {
 class FilePath;
 class SequencedTaskRunner;
 class TaskRunner;
 class TimeDelta;
 }
 
+namespace url {
+class Origin;
+}
+
 namespace net {
 class HostPortPair;
 class HttpRequestHeaders;
 class HttpResponseHeaders;
 class URLFetcherDelegate;
 class URLFetcherResponseWriter;
 class URLRequestContextGetter;
 class URLRequestStatus;
 
 // To use this class, create an instance with the desired URL and a pointer to
@@ skipping 161 matching lines @@
   // Add header (with format field-name ":" [ field-value ]) to the request
   // headers.  Must be called before the request is started.
   // This appends the header to the current extra request headers.
   virtual void AddExtraRequestHeader(const std::string& header_line) = 0;
 
   // Set the URLRequestContext on the request.  Must be called before the
   // request is started.
   virtual void SetRequestContext(
       URLRequestContextGetter* request_context_getter) = 0;
 
-  // Set the URL that should be considered as "initiating" the fetch. This URL
-  // will be considered the "first-party" when applying cookie blocking policy
-  // to requests, and treated as the request's initiator.
-  //
-  // TODO(mkwst): Convert this to take a 'url::Origin': https://crbug.com/577565
-  virtual void SetInitiatorURL(const GURL& initiator) = 0;
+  // Set the origin that should be considered as "initiating" the fetch. This
+  // URL will be considered the "first-party" when applying cookie blocking
+  // policy to requests, and treated as the request's initiator.
+  virtual void SetInitiator(const base::Optional<url::Origin>& initiator) = 0;
 
   // Set the key and data callback that is used when setting the user
   // data on any URLRequest objects this object creates.
   virtual void SetURLRequestUserData(
       const void* key,
       const CreateDataCallback& create_data_callback) = 0;
 
   // If |stop_on_redirect| is true, 3xx responses will cause the fetch to halt
   // immediately rather than continue through the redirect.  OnURLFetchComplete
   // will be called, with the URLFetcher's URL set to the redirect destination,
@@ skipping 102 matching lines @@
   // be removed once the URLFetcher is destroyed.  User should not take
   // ownership more than once, or call this method after taking ownership.
   virtual bool GetResponseAsFilePath(
       bool take_ownership,
       base::FilePath* out_response_path) const = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_FETCHER_H_