Add SSID getter to WiFiService

components/wifi/wifi_service_win.cc

Index: components/wifi/wifi_service_win.cc
diff --git a/components/wifi/wifi_service_win.cc b/components/wifi/wifi_service_win.cc
index 812686841d6257dc46f8854ba7b34e7b37213eb8..ad39fe50eb11b820300c1c32a2ef4b4a1ebe0154 100644
--- a/components/wifi/wifi_service_win.cc
+++ b/components/wifi/wifi_service_win.cc
@@ -226,6 +226,9 @@ class WiFiServiceImpl : public WiFiService {
 
   virtual void RequestConnectedNetworkUpdate() override {}
 
+  virtual void GetConnectedNetworkGUID(std::string* guid,
+                                       std::string* error) override;
+
  private:
   typedef int32 EncryptionType;
   enum EncryptionTypeEnum {
@@ -806,6 +809,18 @@ void WiFiServiceImpl::SetEventObservers(
   }
 }
 
+void WiFiServiceImpl::GetConnectedNetworkGUID(std::string* guid,
+                                              std::string* error) {
+  DWORD error_code = EnsureInitialized();
+  if (CheckError(error_code, kErrorWiFiService, error))
+    return;
+  NetworkProperties connected_properties;
+  error_code = GetCurrentProperties(&connected_properties);
+  if (CheckError(error_code, kErrorWiFiService, error))
+    return;
+  *guid = connected_properties.guid;
+}
+
 void WiFiServiceImpl::OnWlanNotificationCallback(
     PWLAN_NOTIFICATION_DATA wlan_notification_data,
     PVOID context) {