Reduce footprint of registry controlled domain table

net/base/registry_controlled_domains/registry_controlled_domain.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.
 
 // NB: Modelled after Mozilla's code (originally written by Pamela Greene,
 // later modified by others), but almost entirely rewritten for Chrome.
 //   (netwerk/dns/src/nsEffectiveTLDService.h)
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
@@ skipping 208 matching lines @@
                                     PrivateRegistryFilter private_filter);
 
 // Like the GURL version, but takes a host (which is canonicalized internally)
 // instead of a full GURL.
 NET_EXPORT size_t GetRegistryLength(const std::string& host,
                                     UnknownRegistryFilter unknown_filter,
                                     PrivateRegistryFilter private_filter);
 
 typedef const struct DomainRule* (*FindDomainPtr)(const char *, unsigned int);
 
-// Used for unit tests, so that a different perfect hash map from the full
-// list is used. Set to NULL to use the Default function.
-NET_EXPORT_PRIVATE void SetFindDomainFunctionAndStringPoolForTesting(
-    FindDomainPtr fn, const char* stringpool);
+// Used for unit tests. Use default domains.
+NET_EXPORT_PRIVATE void SetFindDomainGraph();
 
+// Used for unit tests, so that a frozen list of domains is used.
+NET_EXPORT_PRIVATE void SetFindDomainGraph(const unsigned char* domains,
+                                           size_t length);
 }  // namespace registry_controlled_domains
 }  // namespace net
 
 #endif  // NET_BASE_REGISTRY_CONTROLLED_DOMAINS_REGISTRY_CONTROLLED_DOMAIN_H_