Added function to get list of networks with prefetched passwords.

chrome/test/data/extensions/api_test/gcd_private/api/wifi_message.js

+// 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.
+
+onload = function() {
+  chrome.test.runTests([
+    function wifiMessage() {
+      var messages_needed = 3;
+      function onConfirmCode(sessionId, status, code, method) {
+        chrome.test.assertEq("success", status);
+        chrome.test.assertEq("01234", code);
+        chrome.gcdPrivate.confirmCode(sessionId,
+                                      onSessionEstablished.bind(null,
+                                                                sessionId));
+      }
+
+      function onSessionEstablished(sessionId, status) {
+        chrome.test.assertEq("success", status);
+
+        chrome.gcdPrivate.sendMessage(sessionId, "/privet/v3/setup/start", {
+          "wifi" : {
+           }
+        }, onMessageSent.bind(null, "setupParseError"));
+
+        chrome.gcdPrivate.sendMessage(sessionId, "/privet/v3/setup/start", {
+          "wifi" : {
+            "passphrase": "Blah"
+           }
+        }, onMessageSent.bind(null, "setupParseError"));
+
+        chrome.gcdPrivate.sendMessage(sessionId, "/privet/v3/setup/start", {
+          "wifi" : {
+            "ssid": "Blah"
+           }
+        }, onMessageSent.bind(null, "wifiPasswordError"));
+      }
+
+      function onMessageSent(expected_status, status, output) {
+        chrome.test.assertEq(expected_status, status);
+        messages_needed--;
+        console.log("Messages needed " + messages_needed);
+
+        if (messages_needed == 0) {
+          chrome.test.notifyPass();
+        }
+      }
+
+      chrome.gcdPrivate.establishSession("1.2.3.4", 9090, onConfirmCode);
+    }
+  ]);
+};