wifi_sync: add WifiConfigDelegate

components/wifi_sync/wifi_credential.cc

 // Copyright 2014 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.
 
 #include "components/wifi_sync/wifi_credential.h"
 
 #include <limits>
 #include <string>
 
 #include "base/logging.h"
@@ skipping 27 matching lines @@
   return a.ssid_ < b.ssid_ ||
       a.security_class_< b.security_class_ ||
       a.passphrase_ < b.passphrase_;
 }
 
 // static
 WifiCredential::CredentialSet WifiCredential::MakeSet() {
   return CredentialSet(WifiCredential::IsLessThan);
 }
 
+// static
+WifiCredential::SsidBytes WifiCredential::MakeSsidBytes(
+    const std::string& ssid) {
+  return SsidBytes(ssid.begin(), ssid.end());
+}
+
 }  // namespace wifi_sync