Add SSID getter to WiFiService

components/wifi/wifi_service.h

 // Copyright 2013 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 CHROME_UTILITY_WIFI_WIFI_SERVICE_H_
 #define CHROME_UTILITY_WIFI_WIFI_SERVICE_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 100 matching lines @@
   // events needs to be sent. Notifications are posted on |message_loop_proxy|.
   virtual void SetEventObservers(
       scoped_refptr<base::MessageLoopProxy> message_loop_proxy,
       const NetworkGuidListCallback& networks_changed_observer,
       const NetworkGuidListCallback& network_list_changed_observer) = 0;
 
   // Request update of Connected Network information. Send |NetworksChanged|
   // event on completion.
   virtual void RequestConnectedNetworkUpdate() = 0;
 
+  // Get the SSID of the currently connected network, if any.
+  virtual void GetConnectedNetworkSSID(std::string* ssid,
+                                       std::string* error) = 0;
+
  protected:
   WiFiService() {}
 
   // Error constants.
   static const char kErrorAssociateToNetwork[];
   static const char kErrorInvalidData[];
   static const char kErrorNotConfigured[];
   static const char kErrorNotConnected[];
   static const char kErrorNotFound[];
   static const char kErrorNotImplemented[];
   static const char kErrorScanForNetworksWithName[];
   static const char kErrorWiFiService[];
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WiFiService);
 };
 
 }  // namespace wifi
 
 #endif  // CHROME_UTILITY_WIFI_WIFI_SERVICE_H_