wifi_sync: add WifiConfigDelegate

components/wifi_sync/wifi_credential.h

 // 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.
 
 #ifndef COMPONENTS_WIFI_SYNC_WIFI_CREDENTIAL_H_
 #define COMPONENTS_WIFI_SYNC_WIFI_CREDENTIAL_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 29 matching lines @@
   // purposes. The string will not include the credential's passphrase.
   std::string ToString() const;
 
   // Returns true if credential |a| comes before credential |b|.
   static bool IsLessThan(const WifiCredential& a, const WifiCredential& b);
 
   // Returns an empty set of WifiCredentials, with the IsLessThan
   // ordering function plumbed in.
   static CredentialSet MakeSet();
 
+  // Returns |ssid| as an SsidBytes instance. This convenience
+  // function simplifies some tests, which need to instantiate
+  // SsidBytes from string literals.
+  static SsidBytes MakeSsidBytes(const std::string& ssid);
+
  private:
   // The WiFi network's SSID.
   const SsidBytes ssid_;
   // The WiFi network's security class (e.g. WEP, PSK).
   const WifiSecurityClass security_class_;
   // The passphrase for connecting to the network.
   const std::string passphrase_;
 };
 
 }  // namespace wifi_sync
 
 #endif  // COMPONENTS_WIFI_SYNC_WIFI_CREDENTIAL_H_