Allow doc.written scripts with a matching domain and registry to execute.

third_party/WebKit/Source/platform/network/NetworkUtils.h

 // Copyright 2016 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 NetworkUtils_h
 #define NetworkUtils_h
 
 #include "platform/PlatformExport.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 namespace NetworkUtils {
 
+enum PrivateRegistryFilter {
+    IncludePrivateRegistries,
+    ExcludePrivateRegistries,
+};
+
 PLATFORM_EXPORT bool isReservedIPAddress(const String& host);
 
 PLATFORM_EXPORT bool isLocalHostname(const String& host, bool* isLocal6);
 
+PLATFORM_EXPORT String getDomainAndRegistry(const String& host, PrivateRegistryFilter);
+
 } // NetworkUtils
 
 } // namespace blink
 
 #endif // NetworkUtils_h