This adds a private extension API to use for simple networking

chrome/test/data/extensions/api_test/networking/test.js

+// Copyright (c) 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.
+
+var callbackPass = chrome.test.callbackPass;
+var callbackFail = chrome.test.callbackFail;
+var assertTrue = chrome.test.assertTrue;
+var assertEq = chrome.test.assertEq;
+
+chrome.test.runTests([
+  function getVisibleNetworks() {
+    chrome.networkingPrivate.getVisibleNetworks(
+        "All",
+        callbackPass(function(result) {
+          assertTrue(!!result);
+          assertEq(4, result.length);
+          assertEq([{ "Name": "eth0",
+                      "GUID": "stub_ethernet",
+                      "ConnectionState": "Connected",
+                      "Type": "Ethernet"
+                    },
+                    { "Name": "wifi1",
+                      "GUID": "stub_wifi1",
+                      "ConnectionState": "Connected",
+                      "Type": "WiFi",
+                      "WiFi": {
+                        "SSID": "stub_wifi1",
+                        "Type": "WiFi"
+                      }
+                    },
+                    { "Name": "wifi2_PSK",
+                      "GUID": "stub_wifi2",
+                      "ConnectionState": "NotConnected",
+                      "Type": "WiFi",
+                      "WiFi": {
+                        "SSID": "stub_wifi2",
+                        "Type": "WiFi"
+                      }
+                    },
+                    { "Name": "cellular1",
+                      "GUID": "stub_cellular1",
+                      "ConnectionState": "NotConnected",
+                      "Type": "Cellular"
+                    }], result);
+        }));
+  },
+  function getVisibleNetworksWifi() {
+    chrome.networkingPrivate.getVisibleNetworks(
+      "WiFi",
+      callbackPass(function(result) {
+        assertTrue(!!result);
+        assertEq(2, result.length);
+        assertEq([{ "Name": "wifi1",
+                    "GUID": "stub_wifi1",
+                    "ConnectionState": "Connected",
+                    "Type": "WiFi",
+                    "WiFi": {
+                      "SSID": "stub_wifi1",
+                      "Type":"WiFi"
+                    }
+                  },
+                  { "Name": "wifi2_PSK",
+                    "GUID": "stub_wifi2",
+                    "ConnectionState": "NotConnected",
+                    "Type": "WiFi",
+                    "WiFi": {
+                      "SSID": "stub_wifi2",
+                      "Type": "WiFi"
+                    }
+                  }], result);
+      }));
+  },
+  function getProperties() {
+    chrome.networkingPrivate.getProperties(
+        "stub_wifi2",
+        callbackPass(function(result) {
+          assertTrue(!!result);
+          assertEq("wifi2_PSK", result.Name);
+          assertEq("NotConnected", result.ConnectionState);
+          assertEq("WiFi", result.Type);
+        }));
+  },
+  function startConnect() {
+    chrome.networkingPrivate.startConnect("stub_wifi2",
+                                          callbackPass(function() {}));
+  },
+  function startDisconnect() {
+    chrome.networkingPrivate.startDisconnect("stub_wifi2",
+                                             callbackPass(function() {}));
+  },
+  function startConnectNonexistent() {
+    // Make sure we get an error when we try to connect to a nonexistent
+    // network.
+    chrome.networkingPrivate.startConnect(
+      "nonexistent_path",
+      callbackFail("Error.InvalidService", function() {}));
+  }
+]);