Normalize hostnames before searching for HSTS/HPKP preloads

net/http/transport_security_state.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_HTTP_TRANSPORT_SECURITY_STATE_H_
 #define NET_HTTP_TRANSPORT_SECURITY_STATE_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 175 matching lines @@
 
   // Clears all dynamic data (e.g. HSTS and HPKP data).
   //
   // Does NOT persist changes using the Delegate, as this function is only
   // used to clear any dynamic data prior to re-loading it from a file.
   // Note: This is only used for serializing/deserializing the
   // TransportSecurityState.
   void ClearDynamicData();
 
   // Inserts |state| into |enabled_hosts_| under the key |hashed_host|.
-  // |hashed_host| is already in the internal representation
-  // HashHost(CanonicalizeHost(host)).
+  // |hashed_host| is already in the internal representation.
   // Note: This is only used for serializing/deserializing the
   // TransportSecurityState.
   void AddOrUpdateEnabledHosts(const std::string& hashed_host,
                                const DomainState& state);
 
   // Deletes all dynamic data (e.g. HSTS or HPKP data) created since a given
   // time.
   //
   // If any entries are deleted, the new state will be persisted through
   // the Delegate (if any).
@@ skipping 104 matching lines @@
                        const base::Time& expiry,
                        bool include_subdomains,
                        const HashValueVector& hashes);
 
   // Enable TransportSecurity for |host|. |state| supercedes any previous
   // state for the |host|, including static entries.
   //
   // The new state for |host| is persisted using the Delegate (if any).
   void EnableHost(const std::string& host, const DomainState& state);
 
-  // Converts |hostname| from dotted form ("www.google.com") to the form
-  // used in DNS: "\x03www\x06google\x03com", lowercases that, and returns
-  // the result.
-  static std::string CanonicalizeHost(const std::string& hostname);
-
   // The set of hosts that have enabled TransportSecurity. |sts.domain| and
   // |pkp.domain| will always be empty for a DomainState in this map; the domain
   // comes from the map key instead.
   DomainStateMap enabled_hosts_;
 
   Delegate* delegate_;
 
   // True if static pins should be used.
   bool enable_static_pins_;
 
   DISALLOW_COPY_AND_ASSIGN(TransportSecurityState);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_TRANSPORT_SECURITY_STATE_H_