chrome.bluetoothLowEnergy: Introduce connect and disconnect methods.

chrome/test/data/extensions/api_test/bluetooth_low_energy/reconnect_after_disconnected/runtest.js

Index: chrome/test/data/extensions/api_test/bluetooth_low_energy/reconnect_after_disconnected/runtest.js
diff --git a/chrome/test/data/extensions/api_test/bluetooth_low_energy/reconnect_after_disconnected/runtest.js b/chrome/test/data/extensions/api_test/bluetooth_low_energy/reconnect_after_disconnected/runtest.js
new file mode 100644
index 0000000000000000000000000000000000000000..094602326992357609012ae0338a45ea88f49bf2
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/bluetooth_low_energy/reconnect_after_disconnected/runtest.js
@@ -0,0 +1,35 @@
+// 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.
+
+var deviceAddress0 = '11:22:33:44:55:66';
+var ble = chrome.bluetoothLowEnergy;
+
+var errorAlreadyConnected = 'Already connected';
+
+function expectError(message) {
+  if (!chrome.runtime.lastError ||
+      chrome.runtime.lastError.message != message)
+    chrome.test.fail('Expected error: ' + message);
+}
+
+function expectSuccess() {
+  if (chrome.runtime.lastError)
+    chrome.test.fail('Unexpected error: ' + chrome.runtime.lastError.message);
+}
+
+// First attempt should succeed.
+ble.connect(deviceAddress0, function () {
+  expectSuccess();
+
+  // Second attempt should fail.
+  ble.connect(deviceAddress0, function () {
+    expectError(errorAlreadyConnected);
+
+    // Third attempt should succeed.
+    ble.connect(deviceAddress0, function () {
+      expectSuccess();
+      chrome.test.succeed();
+    });
+  });
+});