Added auto-scan, made some small changes to how prefs are stored, refactored.

chrome/browser/resources/chromeos/switch_access/switch_access_unittest.gtestjs

Index: chrome/browser/resources/chromeos/switch_access/switch_access_unittest.gtestjs
diff --git a/chrome/browser/resources/chromeos/switch_access/switch_access_unittest.gtestjs b/chrome/browser/resources/chromeos/switch_access/switch_access_unittest.gtestjs
deleted file mode 100644
index 4536781df8d97ed45b1d8429eb6d7f9f8a4523fa..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/chromeos/switch_access/switch_access_unittest.gtestjs
+++ /dev/null
@@ -1,136 +0,0 @@
-// 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.
-
-/**
- * Test fixture for switch_access.js.
- * @constructor
- * @extends {testing.Test}
- */
-function SwitchAccessUnitTest () {
-  testing.Test.call(this);
-};
-
-SwitchAccessUnitTest.prototype = {
-  __proto__: testing.Test.prototype,
-
-  /** @override */
-  extraLibraries: [
-    'test_support.js',
-    'prefs.js',
-    'switch_access.js',
-    'testable_switch_access.js',
-  ],
-
-  getSampleTree: function() {
-    // root
-    //   middle1
-    //     leaf1
-    //     leaf2
-    //     leaf3
-    //   middle2
-    //     leaf4
-    //     leaf5
-    let root = {};
-    let middle1 = {};
-    let middle2 = {};
-    let leaf1 = {};
-    let leaf2 = {};
-    let leaf3 = {};
-    let leaf4 = {};
-    let leaf5 = {};
-
-    root.firstChild = middle1;
-    root.lastChild = middle2;
-
-    middle1.parent = root;
-    middle2.parent = root;
-    middle1.nextSibling = middle2;
-    middle2.previousSibling = middle1;
-    middle1.firstChild = leaf1;
-    middle1.lastChild = leaf3;
-    middle2.firstChild = leaf4;
-    middle2.lastChild = leaf5;
-
-    leaf1.parent = middle1;
-    leaf2.parent = middle1;
-    leaf3.parent = middle1;
-    leaf1.nextSibling = leaf2;
-    leaf2.previousSibling = leaf1;
-    leaf2.nextSibling = leaf3;
-    leaf3.previousSibling = leaf2;
-
-    leaf4.parent = middle2;
-    leaf5.parent = middle2;
-    leaf4.nextSibling = leaf5;
-    leaf5.previousSibling = leaf4;
-
-    return {
-      root: root,
-      middle1: middle1,
-      middle2: middle2,
-      leaf1: leaf1,
-      leaf2: leaf2,
-      leaf3: leaf3,
-      leaf4: leaf4,
-      leaf5: leaf5
-    };
-  }
-};
-
-TEST_F('SwitchAccessUnitTest', 'GetNextNode', function() {
-  let tree = this.getSampleTree();
-  let tsa = new TestableSwitchAccess();
-
-  let order =
-      [tree.root, tree.middle1, tree.leaf1, tree.leaf2, tree.leaf3,
-      tree.middle2, tree.leaf4, tree.leaf5];
-  let node = tree.root;
-  for (let i = 0; i < order.length; i++) {
-    assertEquals(order[i], node);
-    node = tsa.getNextNode(node);
-  }
-  assertEquals(null, node);
-});
-
-TEST_F('SwitchAccessUnitTest', 'GetPreviousNode', function() {
-  let tree = this.getSampleTree();
-  let tsa = new TestableSwitchAccess();
-
-  let order =
-      [tree.leaf5, tree.leaf4, tree.middle2, tree.leaf3, tree.leaf2,
-      tree.leaf1, tree.middle1, tree.root];
-  let node = tree.leaf5;
-  for (let i = 0; i < order.length; i++) {
-    assertEquals(order[i], node);
-    node = tsa.getPreviousNode(node);
-  }
-  assertEquals(null, node);
-});
-
-TEST_F('SwitchAccessUnitTest', 'GetYoungestDescendant', function() {
-  let tree = this.getSampleTree();
-  let tsa = new TestableSwitchAccess();
-
-  assertEquals(tree.leaf5, tsa.getYoungestDescendant(tree.root));
-  assertEquals(tree.leaf3, tsa.getYoungestDescendant(tree.middle1));
-  assertEquals(tree.leaf5, tsa.getYoungestDescendant(tree.middle2));
-  assertEquals(null, tsa.getYoungestDescendant(tree.leaf1));
-  assertEquals(null, tsa.getYoungestDescendant(tree.leaf2));
-  assertEquals(null, tsa.getYoungestDescendant(tree.leaf3));
-  assertEquals(null, tsa.getYoungestDescendant(tree.leaf4));
-  assertEquals(null, tsa.getYoungestDescendant(tree.leaf5));
-});
-
-TEST_F('SwitchAccessUnitTest', 'IsInteresting', function() {
-  let node1 = {};
-  let node2 = {state: {}};
-  let node3 = {state: {focusable: false}};
-  let node4 = {state: {focusable: true}};
-  let tsa = new TestableSwitchAccess();
-
-  assertTrue(tsa.isInteresting(node1) === undefined);
-  assertTrue(tsa.isInteresting(node2) === undefined);
-  assertFalse(tsa.isInteresting(node3));
-  assertTrue(tsa.isInteresting(node4));
-});