Make the request initiator Optional

net/base/registry_controlled_domains/registry_controlled_domain.h

Index: net/base/registry_controlled_domains/registry_controlled_domain.h
diff --git a/net/base/registry_controlled_domains/registry_controlled_domain.h b/net/base/registry_controlled_domains/registry_controlled_domain.h
index 24ffb707a50ab5fd44e7b7f86427a9dfd0bff8b6..34bd7fbe5dcb42317f718832c81515b8e33499eb 100644
--- a/net/base/registry_controlled_domains/registry_controlled_domain.h
+++ b/net/base/registry_controlled_domains/registry_controlled_domain.h
@@ -117,6 +117,7 @@
 
 #include <string>
 
+#include "base/optional.h"
 #include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
 
@@ -199,6 +200,9 @@ NET_EXPORT bool SameDomainOrHost(const GURL& gurl1, const GURL& gurl2,
 NET_EXPORT bool SameDomainOrHost(const url::Origin& origin1,
                                  const url::Origin& origin2,
                                  PrivateRegistryFilter filter);
+NET_EXPORT bool SameDomainOrHost(const url::Origin& origin1,
+                                 const base::Optional<url::Origin>& origin2,
+                                 PrivateRegistryFilter filter);
 
 // Finds the length in bytes of the registrar portion of the host in the
 // given GURL.  Returns std::string::npos if the GURL is invalid or has no