Extending the translation from ONC to Shill.

chromeos/test/data/network/valid_wifi_clientref.onc

Index: chromeos/test/data/network/valid_wifi_clientref.onc
diff --git a/chromeos/test/data/network/valid_wifi_clientref.onc b/chromeos/test/data/network/valid_wifi_clientref.onc
new file mode 100644
index 0000000000000000000000000000000000000000..259ff76b96466e6a7c71bcd428dd85ccba725a1e
--- /dev/null
+++ b/chromeos/test/data/network/valid_wifi_clientref.onc
@@ -0,0 +1,23 @@
+{
+    "GUID": "{77db0089-0bc8-4358-929c-123xcv}",
+    "Type": "WiFi",
+    "Name": "SomeWifi-XY",
+    "WiFi": {
+        "SSID": "SomeWifi-XY",
+        "Security": "WPA-EAP",
+        "Recommended": [ "AutoConnect" ],
+        "EAP": {
+            "Outer": "EAP-TLS",
+            "Identity": "${LOGIN_ID}@my.domain.com",
+            "UseSystemCAs": true,
+            "ClientCertType": "Ref",
+            "ClientCertRef": "{58ac1967-a0e7-49e9-be68-123abc}",
+            "Recommended": [ "Identity" ],
+            "SaveCredentials": true
+        }
+    },
+    "ProxySettings": {
+        "Type": "PAC",
+        "PAC": "https://proxycfg.my.domain.com/proxy.dat"
+    }
+}