Add Settings bluetooth page test

chrome/test/data/webui/settings/fake_bluetooth_private.js

+// Copyright 2015 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 Fake implementation of chrome.bluetoothPrivate for testing.
+ */
+cr.define('settings', function() {
+  /**
+   * Fake of the chrome.bluetooth API.
+   * @param {!Bluetooth} bluetoothApi
+   * @constructor
+   * @implements {BluetoothPrivate}
+   */
+  function FakeBluetoothPrivate(bluetoothApi) {
+    /** @private {!Bluetooth} */ this.bluetoothApi_ = bluetoothApi;
+  }
+
+  FakeBluetoothPrivate.prototype = {
+    /** @override */
+    setAdapterState: function(state, opt_callback) {
+      this.bluetoothApi_.enabled = state.powered;
+      if (opt_callback)
+        setTimeout(opt_callback);
+    },
+
+    /** @override */
+    setPairingResponse: assertNotReached,
+
+    /** @override */
+    disconnectAll: assertNotReached,
+
+    /** @override */
+    forgetDevice: assertNotReached,
+
+    /** @override */
+    setDiscoveryFilter: assertNotReached,
+
+    /** @override */
+    connect: assertNotReached,
+
+    /** @override */
+    pair: assertNotReached,
+
+    /** @type {!FakeChromeEvent} */
+    onPairing: new FakeChromeEvent(),
+  };
+
+  return {FakeBluetoothPrivate: FakeBluetoothPrivate};
+});