Initialize BlueZ in app_shell on Linux

extensions/test/data/api_test/bluetooth/runtest.js

+// Copyright 2017 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.
+
+/**
+ * @fileoverview Basic tests of API functions in a real (non-mocked) shell to
+ * ensure they can be called from a particular client or environment.
+ * Tests that verify specific behaviors should be in their own API tests.
+ */
+
+// Tests chrome.bluetooth availability.
+function bluetoothSanityCheck() {
+  chrome.test.assertTrue(
+    !!chrome.bluetooth, 'chrome.bluetooth should be available');
+
+  chrome.bluetooth.getAdapterState(chrome.test.callback());
+  chrome.bluetooth.getDevice(
+      'AB:CD:EF:01:23:45', chrome.test.callbackFail('Invalid device'));
+  chrome.bluetooth.getDevices(chrome.test.callback());
+
+  // TODO(michaelpg): Re-enable on Chrome OS after crbug.com/711484 is fixed.
+  if (!/CrOS/.test(navigator.userAgent)) {
+    var startDiscoveryCallback = chrome.test.callbackAdded();
+    chrome.bluetooth.startDiscovery(function() {
+      // Ignore errors.
+      chrome.runtime.lastError;
+      startDiscoveryCallback();
+    });
+
+    var stopDiscoveryCallback = chrome.test.callbackAdded();
+    chrome.bluetooth.stopDiscovery(function() {
+      // Ignore errors.
+      chrome.runtime.lastError;
+      stopDiscoveryCallback();
+    });
+  }
+}
+
+chrome.app.runtime.onLaunched.addListener(function() {
+  chrome.test.runTests([bluetoothSanityCheck]);
+});