Revert of Update json_schema_compiler to handle the Automation extension API

third_party/closure_compiler/externs/automation.js

Index: third_party/closure_compiler/externs/automation.js
diff --git a/third_party/closure_compiler/externs/automation.js b/third_party/closure_compiler/externs/automation.js
index 02560822ce0d9624b2c3bd9096cda1b72454c26a..fd080cbb1195544e0318db209ba24e453fdde400 100644
--- a/third_party/closure_compiler/externs/automation.js
+++ b/third_party/closure_compiler/externs/automation.js
@@ -1,12 +1,14 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
+// Copyright 2016 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.
 
 // This file was generated by:
-//   tools/json_schema_compiler/compiler.py.
-// NOTE: The format of types has changed. 'FooType' is now
-//   'chrome.automation.FooType'.
-// Please run the closure compiler before committing changes.
+//   tools/json_schema_compiler/compiler.py -g externs
+//       chrome/common/extensions/api/automation.idl
+//
+// Further edits were applied by hand due to bugs / limitations in
+// json_schema_compiler.
+//
 // See https://chromium.googlesource.com/chromium/src/+/master/docs/closure_compilation.md
 
 /** @fileoverview Externs generated from namespace: automation */
@@ -18,251 +20,247 @@
 
 /**
  * @enum {string}
- * @see https://developer.chrome.com/extensions/automation#type-EventType
  */
 chrome.automation.EventType = {
-  ACTIVEDESCENDANTCHANGED: 'activedescendantchanged',
-  ALERT: 'alert',
-  ARIA_ATTRIBUTE_CHANGED: 'ariaAttributeChanged',
-  AUTOCORRECTION_OCCURED: 'autocorrectionOccured',
-  BLUR: 'blur',
-  CHECKED_STATE_CHANGED: 'checkedStateChanged',
-  CHILDREN_CHANGED: 'childrenChanged',
-  CLICKED: 'clicked',
-  DOCUMENT_SELECTION_CHANGED: 'documentSelectionChanged',
-  EXPANDED_CHANGED: 'expandedChanged',
-  FOCUS: 'focus',
-  IMAGE_FRAME_UPDATED: 'imageFrameUpdated',
-  HIDE: 'hide',
-  HOVER: 'hover',
-  INVALID_STATUS_CHANGED: 'invalidStatusChanged',
-  LAYOUT_COMPLETE: 'layoutComplete',
-  LIVE_REGION_CREATED: 'liveRegionCreated',
-  LIVE_REGION_CHANGED: 'liveRegionChanged',
-  LOAD_COMPLETE: 'loadComplete',
-  LOCATION_CHANGED: 'locationChanged',
-  MEDIA_STARTED_PLAYING: 'mediaStartedPlaying',
-  MEDIA_STOPPED_PLAYING: 'mediaStoppedPlaying',
-  MENU_END: 'menuEnd',
-  MENU_LIST_ITEM_SELECTED: 'menuListItemSelected',
-  MENU_LIST_VALUE_CHANGED: 'menuListValueChanged',
-  MENU_POPUP_END: 'menuPopupEnd',
-  MENU_POPUP_START: 'menuPopupStart',
-  MENU_START: 'menuStart',
-  MOUSE_CANCELED: 'mouseCanceled',
-  MOUSE_DRAGGED: 'mouseDragged',
-  MOUSE_MOVED: 'mouseMoved',
-  MOUSE_PRESSED: 'mousePressed',
-  MOUSE_RELEASED: 'mouseReleased',
-  ROW_COLLAPSED: 'rowCollapsed',
-  ROW_COUNT_CHANGED: 'rowCountChanged',
-  ROW_EXPANDED: 'rowExpanded',
-  SCROLL_POSITION_CHANGED: 'scrollPositionChanged',
-  SCROLLED_TO_ANCHOR: 'scrolledToAnchor',
-  SELECTED_CHILDREN_CHANGED: 'selectedChildrenChanged',
-  SELECTION: 'selection',
-  SELECTION_ADD: 'selectionAdd',
-  SELECTION_REMOVE: 'selectionRemove',
-  SHOW: 'show',
-  TEXT_CHANGED: 'textChanged',
-  TEXT_SELECTION_CHANGED: 'textSelectionChanged',
-  TREE_CHANGED: 'treeChanged',
-  VALUE_CHANGED: 'valueChanged',
+  activedescendantchanged: '',
+  alert: '',
+  ariaAttributeChanged: '',
+  autocorrectionOccured: '',
+  blur: '',
+  checkedStateChanged: '',
+  childrenChanged: '',
+  documentSelectionChanged: '',
+  expandedChanged: '',
+  focus: '',
+  hide: '',
+  hover: '',
+  invalidStatusChanged: '',
+  layoutComplete: '',
+  liveRegionChanged: '',
+  loadComplete: '',
+  locationChanged: '',
+  menuEnd: '',
+  menuListItemSelected: '',
+  menuListValueChanged: '',
+  menuPopupEnd: '',
+  menuPopupStart: '',
+  menuStart: '',
+  mouseCanceled: '',
+  mouseDragged: '',
+  mouseMoved: '',
+  mousePressed: '',
+  mouseReleased: '',
+  rowCollapsed: '',
+  rowCountChanged: '',
+  rowExpanded: '',
+  scrollPositionChanged: '',
+  scrolledToAnchor: '',
+  selectedChildrenChanged: '',
+  selection: '',
+  selectionAdd: '',
+  selectionRemove: '',
+  show: '',
+  textChanged: '',
+  textSelectionChanged: '',
+  treeChanged: '',
+  valueChanged: '',
 };
 
 /**
  * @enum {string}
- * @see https://developer.chrome.com/extensions/automation#type-RoleType
  */
 chrome.automation.RoleType = {
-  ABBR: 'abbr',
-  ALERT_DIALOG: 'alertDialog',
-  ALERT: 'alert',
-  ANNOTATION: 'annotation',
-  APPLICATION: 'application',
-  ARTICLE: 'article',
-  AUDIO: 'audio',
-  BANNER: 'banner',
-  BLOCKQUOTE: 'blockquote',
-  BUSY_INDICATOR: 'busyIndicator',
-  BUTTON: 'button',
-  BUTTON_DROP_DOWN: 'buttonDropDown',
-  CANVAS: 'canvas',
-  CAPTION: 'caption',
-  CELL: 'cell',
-  CHECK_BOX: 'checkBox',
-  CLIENT: 'client',
-  COLOR_WELL: 'colorWell',
-  COLUMN_HEADER: 'columnHeader',
-  COLUMN: 'column',
-  COMBO_BOX: 'comboBox',
-  COMPLEMENTARY: 'complementary',
-  CONTENT_INFO: 'contentInfo',
-  DATE: 'date',
-  DATE_TIME: 'dateTime',
-  DEFINITION: 'definition',
-  DESCRIPTION_LIST_DETAIL: 'descriptionListDetail',
-  DESCRIPTION_LIST: 'descriptionList',
-  DESCRIPTION_LIST_TERM: 'descriptionListTerm',
-  DESKTOP: 'desktop',
-  DETAILS: 'details',
-  DIALOG: 'dialog',
-  DIRECTORY: 'directory',
-  DISCLOSURE_TRIANGLE: 'disclosureTriangle',
-  DIV: 'div',
-  DOCUMENT: 'document',
-  EMBEDDED_OBJECT: 'embeddedObject',
-  FEED: 'feed',
-  FIGCAPTION: 'figcaption',
-  FIGURE: 'figure',
-  FOOTER: 'footer',
-  FORM: 'form',
-  GRID: 'grid',
-  GROUP: 'group',
-  HEADING: 'heading',
-  IFRAME: 'iframe',
-  IFRAME_PRESENTATIONAL: 'iframePresentational',
-  IGNORED: 'ignored',
-  IMAGE_MAP_LINK: 'imageMapLink',
-  IMAGE_MAP: 'imageMap',
-  IMAGE: 'image',
-  INLINE_TEXT_BOX: 'inlineTextBox',
-  INPUT_TIME: 'inputTime',
-  LABEL_TEXT: 'labelText',
-  LEGEND: 'legend',
-  LINE_BREAK: 'lineBreak',
-  LINK: 'link',
-  LIST_BOX_OPTION: 'listBoxOption',
-  LIST_BOX: 'listBox',
-  LIST_ITEM: 'listItem',
-  LIST_MARKER: 'listMarker',
-  LIST: 'list',
-  LOCATION_BAR: 'locationBar',
-  LOG: 'log',
-  MAIN: 'main',
-  MARK: 'mark',
-  MARQUEE: 'marquee',
-  MATH: 'math',
-  MENU_BAR: 'menuBar',
-  MENU_BUTTON: 'menuButton',
-  MENU_ITEM: 'menuItem',
-  MENU_ITEM_CHECK_BOX: 'menuItemCheckBox',
-  MENU_ITEM_RADIO: 'menuItemRadio',
-  MENU_LIST_OPTION: 'menuListOption',
-  MENU_LIST_POPUP: 'menuListPopup',
-  MENU: 'menu',
-  METER: 'meter',
-  NAVIGATION: 'navigation',
-  NOTE: 'note',
-  OUTLINE: 'outline',
-  PANE: 'pane',
-  PARAGRAPH: 'paragraph',
-  POP_UP_BUTTON: 'popUpButton',
-  PRE: 'pre',
-  PRESENTATIONAL: 'presentational',
-  PROGRESS_INDICATOR: 'progressIndicator',
-  RADIO_BUTTON: 'radioButton',
-  RADIO_GROUP: 'radioGroup',
-  REGION: 'region',
-  ROOT_WEB_AREA: 'rootWebArea',
-  ROW_HEADER: 'rowHeader',
-  ROW: 'row',
-  RUBY: 'ruby',
-  RULER: 'ruler',
-  SVG_ROOT: 'svgRoot',
-  SCROLL_AREA: 'scrollArea',
-  SCROLL_BAR: 'scrollBar',
-  SEAMLESS_WEB_AREA: 'seamlessWebArea',
-  SEARCH: 'search',
-  SEARCH_BOX: 'searchBox',
-  SLIDER: 'slider',
-  SLIDER_THUMB: 'sliderThumb',
-  SPIN_BUTTON_PART: 'spinButtonPart',
-  SPIN_BUTTON: 'spinButton',
-  SPLITTER: 'splitter',
-  STATIC_TEXT: 'staticText',
-  STATUS: 'status',
-  SWITCH: 'switch',
-  TAB_GROUP: 'tabGroup',
-  TAB_LIST: 'tabList',
-  TAB_PANEL: 'tabPanel',
-  TAB: 'tab',
-  TABLE_HEADER_CONTAINER: 'tableHeaderContainer',
-  TABLE: 'table',
-  TERM: 'term',
-  TEXT_FIELD: 'textField',
-  TIME: 'time',
-  TIMER: 'timer',
-  TITLE_BAR: 'titleBar',
-  TOGGLE_BUTTON: 'toggleButton',
-  TOOLBAR: 'toolbar',
-  TREE_GRID: 'treeGrid',
-  TREE_ITEM: 'treeItem',
-  TREE: 'tree',
-  UNKNOWN: 'unknown',
-  TOOLTIP: 'tooltip',
-  VIDEO: 'video',
-  WEB_AREA: 'webArea',
-  WEB_VIEW: 'webView',
-  WINDOW: 'window',
+  alertDialog: '',
+  alert: '',
+  annotation: '',
+  application: '',
+  article: '',
+  banner: '',
+  blockquote: '',
+  busyIndicator: '',
+  button: '',
+  buttonDropDown: '',
+  canvas: '',
+  caption: '',
+  cell: '',
+  checkBox: '',
+  client: '',
+  colorWell: '',
+  columnHeader: '',
+  column: '',
+  comboBox: '',
+  complementary: '',
+  contentInfo: '',
+  date: '',
+  dateTime: '',
+  definition: '',
+  descriptionListDetail: '',
+  descriptionList: '',
+  descriptionListTerm: '',
+  desktop: '',
+  details: '',
+  dialog: '',
+  directory: '',
+  disclosureTriangle: '',
+  div: '',
+  document: '',
+  embeddedObject: '',
+  figcaption: '',
+  figure: '',
+  footer: '',
+  form: '',
+  grid: '',
+  group: '',
+  heading: '',
+  iframe: '',
+  iframePresentational: '',
+  ignored: '',
+  imageMapLink: '',
+  imageMap: '',
+  image: '',
+  inlineTextBox: '',
+  labelText: '',
+  legend: '',
+  lineBreak: '',
+  link: '',
+  listBoxOption: '',
+  listBox: '',
+  listItem: '',
+  listMarker: '',
+  list: '',
+  locationBar: '',
+  log: '',
+  main: '',
+  marquee: '',
+  math: '',
+  menuBar: '',
+  menuButton: '',
+  menuItem: '',
+  menuItemCheckBox: '',
+  menuItemRadio: '',
+  menuListOption: '',
+  menuListPopup: '',
+  menu: '',
+  meter: '',
+  navigation: '',
+  note: '',
+  outline: '',
+  pane: '',
+  paragraph: '',
+  popUpButton: '',
+  pre: '',
+  presentational: '',
+  progressIndicator: '',
+  radioButton: '',
+  radioGroup: '',
+  region: '',
+  rootWebArea: '',
+  rowHeader: '',
+  row: '',
+  ruby: '',
+  ruler: '',
+  svgRoot: '',
+  scrollArea: '',
+  scrollBar: '',
+  seamlessWebArea: '',
+  search: '',
+  searchBox: '',
+  slider: '',
+  sliderThumb: '',
+  spinButtonPart: '',
+  spinButton: '',
+  splitter: '',
+  staticText: '',
+  status: '',
+  switch: '',
+  tabGroup: '',
+  tabList: '',
+  tabPanel: '',
+  tab: '',
+  tableHeaderContainer: '',
+  table: '',
+  textField: '',
+  time: '',
+  timer: '',
+  titleBar: '',
+  toggleButton: '',
+  toolbar: '',
+  treeGrid: '',
+  treeItem: '',
+  tree: '',
+  unknown: '',
+  tooltip: '',
+  webArea: '',
+  webView: '',
+  window: '',
 };
 
 /**
  * @enum {string}
- * @see https://developer.chrome.com/extensions/automation#type-StateType
  */
 chrome.automation.StateType = {
-  BUSY: 'busy',
-  CHECKED: 'checked',
-  COLLAPSED: 'collapsed',
-  DEFAULT: 'default',
-  DISABLED: 'disabled',
-  EDITABLE: 'editable',
-  EXPANDED: 'expanded',
-  FOCUSABLE: 'focusable',
-  FOCUSED: 'focused',
-  HASPOPUP: 'haspopup',
-  HORIZONTAL: 'horizontal',
-  HOVERED: 'hovered',
-  INVISIBLE: 'invisible',
-  LINKED: 'linked',
-  MULTILINE: 'multiline',
-  MULTISELECTABLE: 'multiselectable',
-  OFFSCREEN: 'offscreen',
-  PRESSED: 'pressed',
-  PROTECTED: 'protected',
-  READ_ONLY: 'readOnly',
-  REQUIRED: 'required',
-  RICHLY_EDITABLE: 'richlyEditable',
-  SELECTABLE: 'selectable',
-  SELECTED: 'selected',
-  VERTICAL: 'vertical',
-  VISITED: 'visited',
+  busy: '',
+  checked: '',
+  collapsed: '',
+  default: '',
+  disabled: '',
+  editable: '',
+  expanded: '',
+  focusable: '',
+  focused: '',
+  haspopup: '',
+  horizontal: '',
+  hovered: '',
+  indeterminate: '',
+  invisible: '',
+  linked: '',
+  multiline: '',
+  multiselectable: '',
+  offscreen: '',
+  pressed: '',
+  protected: '',
+  readOnly: '',
+  required: '',
+  richlyEditable: '',
+  selectable: '',
+  selected: '',
+  vertical: '',
+  visited: '',
 };
 
 /**
+ * @enum {number}
+ */
+chrome.automation.NameFromType = {
+  0: '',
+  1: 'uninitialized',
+  2: 'attribute',
+  3: 'contents',
+  4: 'placeholder',
+  5: 'relatedElement',
+  6: 'value'
+};
+
+/**
+ * @enum {number}
+ */
+chrome.automation.DescriptionFromType = {
+  0: '',
+  1: 'uninitialized',
+  2: 'attribute',
+  3: 'contents',
+  4: 'placeholder',
+  5: 'relatedElement'
+};
+
+/**
  * @enum {string}
- * @see https://developer.chrome.com/extensions/automation#type-TreeChangeType
  */
 chrome.automation.TreeChangeType = {
-  NODE_CREATED: 'nodeCreated',
-  SUBTREE_CREATED: 'subtreeCreated',
-  NODE_CHANGED: 'nodeChanged',
-  TEXT_CHANGED: 'textChanged',
-  NODE_REMOVED: 'nodeRemoved',
-};
-
-/**
- * @enum {string}
- * @see https://developer.chrome.com/extensions/automation#type-NameFromType
- */
-chrome.automation.NameFromType = {
-  UNINITIALIZED: 'uninitialized',
-  ATTRIBUTE: 'attribute',
-  CONTENTS: 'contents',
-  PLACEHOLDER: 'placeholder',
-  RELATED_ELEMENT: 'related_element',
-  VALUE: 'value',
+  nodeCreated: 'nodeCreated',
+  subtreeCreated: 'subtreeCreated',
+  nodeChanged: 'nodeChanged',
+  nodeRemoved: 'nodeRemoved',
 };
 
 /**
@@ -272,7 +270,6 @@
  *   width: number,
  *   height: number
  * }}
- * @see https://developer.chrome.com/extensions/automation#type-Rect
  */
 chrome.automation.Rect;
 
@@ -282,890 +279,419 @@
  *   state: (Object|undefined),
  *   attributes: (Object|undefined)
  * }}
- * @see https://developer.chrome.com/extensions/automation#type-FindParams
  */
 chrome.automation.FindParams;
 
 /**
+ * @constructor
+ * @param {chrome.automation.EventType} type
+ * @param {chrome.automation.AutomationNode} node
+ * @param {string} eventFrom
+ */
+chrome.automation.AutomationEvent = function(type, node, eventFrom) {};
+
+/**
+ * @type {!chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationEvent.prototype.target;
+
+/**
+ * @type {!chrome.automation.EventType}
+ */
+chrome.automation.AutomationEvent.prototype.type;
+
+/**
+ * @type {string}
+ */
+chrome.automation.AutomationEvent.prototype.eventFrom;
+
+/**
+ * @type {number}
+ */
+chrome.automation.AutomationEvent.prototype.mouseX;
+
+/**
+ * @type {number}
+ */
+chrome.automation.AutomationEvent.prototype.mouseY;
+
+chrome.automation.AutomationEvent.prototype.stopPropagation = function() {};
+
+/**
  * @typedef {{
- *   anchorObject: Object,
- *   anchorOffset: number,
- *   focusObject: Object,
- *   focusOffset: number
- * }}
- * @see https://developer.chrome.com/extensions/automation#type-SetDocumentSelectionParams
- */
-chrome.automation.SetDocumentSelectionParams;
-
-/**
- * @constructor
- * @private
- * @see https://developer.chrome.com/extensions/automation#type-AutomationEvent
- */
-chrome.automation.AutomationEvent = function() {};
-
-/**
- * The $(ref:automation.AutomationNode) to which the event was targeted.
- * @type {!chrome.automation.AutomationNode}
- * @see https://developer.chrome.com/extensions/automation#type-target
- */
-chrome.automation.AutomationEvent.prototype.target;
-
-/**
- * The type of the event.
- * @type {!chrome.automation.EventType}
- * @see https://developer.chrome.com/extensions/automation#type-type
- */
-chrome.automation.AutomationEvent.prototype.type;
-
-/**
- * The source of this event.
- * @type {string}
- * @see https://developer.chrome.com/extensions/automation#type-eventFrom
- */
-chrome.automation.AutomationEvent.prototype.eventFrom;
-
-/**
- * @type {number}
- * @see https://developer.chrome.com/extensions/automation#type-mouseX
- */
-chrome.automation.AutomationEvent.prototype.mouseX;
-
-/**
- * @type {number}
- * @see https://developer.chrome.com/extensions/automation#type-mouseY
- */
-chrome.automation.AutomationEvent.prototype.mouseY;
-
-/**
- * Stops this event from further processing except for any remaining listeners
- * on $(ref:AutomationEvent.target).
- * @see https://developer.chrome.com/extensions/automation#method-stopPropagation
- */
-chrome.automation.AutomationEvent.prototype.stopPropagation = function() {};
-
-
-/**
- * @typedef {{
- *   target: !chrome.automation.AutomationNode,
+ *   target: chrome.automation.AutomationNode,
  *   type: !chrome.automation.TreeChangeType
  * }}
- * @see https://developer.chrome.com/extensions/automation#type-TreeChange
  */
 chrome.automation.TreeChange;
 
 /**
- * @enum {string}
- * @see https://developer.chrome.com/extensions/automation#type-TreeChangeObserverFilter
- */
-chrome.automation.TreeChangeObserverFilter = {
-  NO_TREE_CHANGES: 'noTreeChanges',
-  LIVE_REGION_TREE_CHANGES: 'liveRegionTreeChanges',
-  TEXT_MARKER_CHANGES: 'textMarkerChanges',
-  ALL_TREE_CHANGES: 'allTreeChanges',
-};
-
-/**
  * @constructor
- * @private
- * @see https://developer.chrome.com/extensions/automation#type-AutomationNode
  */
 chrome.automation.AutomationNode = function() {};
 
-/**
- * The root node of the tree containing this AutomationNode.
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-root
+
+/**
+ * @param {number} tabId
+ * @param {function(chrome.automation.AutomationNode):void} callback
+ */
+chrome.automation.getTree = function(tabId, callback) {};
+
+/** @param {function(!chrome.automation.AutomationNode):void} callback */
+chrome.automation.getDesktop = function(callback) {};
+
+/** @param {function(!chrome.automation.AutomationNode):void} callback */
+chrome.automation.getFocus = function(callback) {};
+
+/**
+ * @param {string} filter
+ * @param {function(chrome.automation.TreeChange) : void}
+ *    observer
+ */
+chrome.automation.addTreeChangeObserver = function(filter, observer) {};
+
+/**
+ * @param {function(chrome.automation.TreeChange) : void} observer
+ */
+chrome.automation.removeTreeChangeObserver = function(observer) {};
+
+//
+// End auto generated externs; do not edit.
+//
+
+
+
+/**
+ * @type {chrome.automation.RoleType}
+ */
+chrome.automation.AutomationNode.prototype.role;
+
+
+/**
+ * @type {!Object<chrome.automation.StateType, boolean>}
+ */
+chrome.automation.AutomationNode.prototype.state;
+
+
+/**
+ * @type {chrome.automation.NameFromType}
+ */
+chrome.automation.AutomationNode.prototype.nameFrom;
+
+
+/**
+ * @type {chrome.automation.DescriptionFromType}
+ */
+chrome.automation.AutomationNode.prototype.descriptionFrom;
+
+
+/**
+ * @type {number}
+ */
+chrome.automation.AutomationNode.prototype.indexInParent;
+
+
+/**
+ * @type {string}
+ */
+chrome.automation.AutomationNode.prototype.name;
+
+/**
+ * @type {string}
+ */
+chrome.automation.AutomationNode.prototype.description;
+
+
+/**
+ * @type {string}
+ */
+chrome.automation.AutomationNode.prototype.url;
+
+
+/**
+ * @type {string}
+ */
+chrome.automation.AutomationNode.prototype.docUrl;
+
+
+/**
+ * @type {string}
+ */
+chrome.automation.AutomationNode.prototype.value;
+
+
+/**
+ * @type {number}
+ */
+chrome.automation.AutomationNode.prototype.textSelStart;
+
+
+/**
+ * @type {number}
+ */
+chrome.automation.AutomationNode.prototype.textSelEnd;
+
+
+/**
+ * @type {Array<number>}
+ */
+chrome.automation.AutomationNode.prototype.wordStarts;
+
+
+/**
+ * @type {Array<number>}
+ */
+chrome.automation.AutomationNode.prototype.wordEnds;
+
+
+/**
+ * @type {chrome.automation.AutomationRootNode}
  */
 chrome.automation.AutomationNode.prototype.root;
 
-/**
- * Whether this AutomationNode is a root node.
- * @type {boolean}
- * @see https://developer.chrome.com/extensions/automation#type-isRootNode
- */
-chrome.automation.AutomationNode.prototype.isRootNode;
-
-/**
- * The role of this node.
- * @type {(!chrome.automation.RoleType|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-role
- */
-chrome.automation.AutomationNode.prototype.role;
-
-/**
- * The $(ref:automation.StateType)s describing this node.
- * @type {Object<chrome.automation.StateType, boolean>}
- * @see https://developer.chrome.com/extensions/automation#type-state
- */
-chrome.automation.AutomationNode.prototype.state;
-
-/**
- * The rendered location (as a bounding box) of this node in global screen coordinates.
- * @type {(!chrome.automation.Rect|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-location
+
+/**
+ * @type {chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationNode.prototype.firstChild;
+
+
+/**
+ * @type {chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationNode.prototype.lastChild;
+
+
+/**
+ * @type {chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationNode.prototype.nextSibling;
+
+
+/**
+ * @type {chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationNode.prototype.previousSibling;
+
+
+/**
+ * @type {chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationNode.prototype.parent;
+
+
+/**
+ * @type {!Array<chrome.automation.AutomationNode>}
+ */
+chrome.automation.AutomationNode.prototype.children;
+
+
+/**
+ * @type {{top: number, left: number, height: number, width: number}|undefined}
  */
 chrome.automation.AutomationNode.prototype.location;
 
-/**
- * Computes the bounding box of a subrange of this node in global screen
- * coordinates. Returns the same as |location| if range information is not
- * available. The start and end indices are zero-based offsets into the node's
- * "name" string attribute.
- * @param {number} startIndex
- * @param {number} endIndex
- * @return {!chrome.automation.Rect}
- * @see https://developer.chrome.com/extensions/automation#method-boundsForRange
- */
-chrome.automation.AutomationNode.prototype.boundsForRange = function(startIndex, endIndex) {};
-
-/**
- * The purpose of the node, other than the role, if any.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-description
- */
-chrome.automation.AutomationNode.prototype.description;
-
-/**
- * The placeholder for this text field, if any.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-placeholder
- */
-chrome.automation.AutomationNode.prototype.placeholder;
-
-/**
- * The accessible name for this node, via the <a href="http://www.w3.org/TR/wai-aria/roles#namecalculation"> Accessible Name Calculation</a> process.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-name
- */
-chrome.automation.AutomationNode.prototype.name;
-
-/**
- * The source of the name.
- * @type {(!chrome.automation.NameFromType|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-nameFrom
- */
-chrome.automation.AutomationNode.prototype.nameFrom;
-
-/**
- * The value for this node: for example the <code>value</code> attribute of an <code>&lt;input&gt; element.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-value
- */
-chrome.automation.AutomationNode.prototype.value;
-
-/**
- * The HTML tag for this element, if this node is an HTML element.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-htmlTag
- */
-chrome.automation.AutomationNode.prototype.htmlTag;
-
-/**
- * The level of a heading or tree item.
+
+/**
+ * @param {number} start
+ * @param {number} end
+ * @return {
+ *     ({top: number, left: number, height: number, width: number})|undefined}
+ */
+chrome.automation.AutomationNode.prototype.boundsForRange =
+    function(start, end) {};
+
+
+chrome.automation.AutomationNode.prototype.makeVisible = function() {};
+
+
+/**
+ * @param {chrome.automation.EventType} eventType
+ * @param {function(!chrome.automation.AutomationEvent) : void} callback
+ * @param {boolean} capture
+ */
+chrome.automation.AutomationNode.prototype.addEventListener =
+    function(eventType, callback, capture) {};
+
+
+/**
+ * @param {chrome.automation.EventType} eventType
+ * @param {function(!chrome.automation.AutomationEvent) : void} callback
+ * @param {boolean} capture
+ */
+chrome.automation.AutomationNode.prototype.removeEventListener =
+    function(eventType, callback, capture) {};
+
+
+/**
+ * @type {chrome.automation.AutomationNode}
+ */
+chrome.automation.TreeChange.prototype.target;
+
+
+/**
+ * @type {chrome.automation.TreeChangeType}
+ */
+chrome.automation.TreeChange.prototype.type;
+
+
+chrome.automation.AutomationNode.prototype.doDefault = function() {};
+
+
+chrome.automation.AutomationNode.prototype.focus = function() {};
+
+
+chrome.automation.AutomationNode.prototype.showContextMenu = function() {};
+
+
+chrome.automation.AutomationNode.prototype
+    .setSequentialFocusNavigationStartingPoint = function() {};
+
+
+/**
+ * @param {number} start
+ * @param {number} end
+ */
+chrome.automation.AutomationNode.prototype.setSelection =
+    function(start, end) {};
+
+/** @type {string} */
+chrome.automation.AutomationNode.prototype.containerLiveStatus;
+
+/** @type {string} */
+chrome.automation.AutomationNode.prototype.containerLiveRelevant;
+
+/** @type {boolean} */
+chrome.automation.AutomationNode.prototype.containerLiveAtomic;
+
+/** @type {boolean} */
+chrome.automation.AutomationNode.prototype.containerLiveBusy;
+
+/** @type {string} */
+chrome.automation.AutomationNode.prototype.language;
+
+/** @type {string} */
+chrome.automation.AutomationNode.prototype.liveStatus;
+
+/** @type {string} */
+chrome.automation.AutomationNode.prototype.liveRelevant;
+
+/** @type {boolean} */
+chrome.automation.AutomationNode.prototype.liveAtomic;
+
+/** @type {boolean} */
+chrome.automation.AutomationNode.prototype.liveBusy;
+
+
+/**
+ * @param {Object} findParams
+ */
+chrome.automation.AutomationNode.prototype.find = function(findParams) {};
+
+/**
+ * @param {Object} findParams
+ * @return {Array<chrome.automation.AutomationNode>}
+ */
+chrome.automation.AutomationNode.prototype.findAll = function(findParams) {};
+
+/**
+ * @type {string}
+ */
+chrome.automation.AutomationNode.prototype.inputType;
+
+/**
+ * @type {(chrome.automation.AutomationNode|undefined)}
+ */
+chrome.automation.AutomationNode.prototype.anchorObject;
+
+/**
+ * @param {{anchorObject: !chrome.automation.AutomationNode,
+ *          anchorOffset: number,
+ *          focusObject: !chrome.automation.AutomationNode,
+ *          focusOffset: number}} selectionParams
+ */
+chrome.automation.setDocumentSelection = function(selectionParams) {};
+
+/**
  * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-hierarchicalLevel
- */
+ */
+chrome.automation.anchorOffset;
+
+/**
+ * @type {(chrome.automation.AutomationNode|undefined)}
+ */
+chrome.automation.AutomationNode.prototype.focusObject;
+
+/**
+ * @type {(Array<number>|undefined)}
+ */
+chrome.automation.AutomationNode.prototype.lineBreaks;
+
+/**
+ * @type {(number|undefined)}
+ */
+chrome.automation.focusOffset;
+
+/**
+ * @type {(chrome.automation.AutomationNode|undefined)}
+ */
+chrome.automation.AutomationNode.prototype.activeDescendant;
+
+/** @type {number} */
+chrome.automation.AutomationNode.prototype.tableCellColumnIndex;
+
+/** @type {number} */
+chrome.automation.AutomationNode.prototype.tableCellRowIndex;
+
+/** @type {number} */
+chrome.automation.AutomationNode.prototype.tableColumnCount;
+
+/** @type {number} */
+chrome.automation.AutomationNode.prototype.tableRowCount;
+
+/** @type {number} */
 chrome.automation.AutomationNode.prototype.hierarchicalLevel;
 
-/**
- * The start and end index of each word in an inline text box.
- * @type {(!Array<number>|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-wordStarts
- */
-chrome.automation.AutomationNode.prototype.wordStarts;
-
-/**
- * @type {(!Array<number>|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-wordEnds
- */
-chrome.automation.AutomationNode.prototype.wordEnds;
-
-/**
- * The nodes, if any, which this node is specified to control via <a href="http://www.w3.org/TR/wai-aria/states_and_properties#aria-controls"> <code>aria-controls</code></a>.
- * @type {(!Array<!chrome.automation.AutomationNode>|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-controls
- */
-chrome.automation.AutomationNode.prototype.controls;
-
-/**
- * The nodes, if any, which form a description for this node.
- * @type {(!Array<!chrome.automation.AutomationNode>|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-describedBy
- */
-chrome.automation.AutomationNode.prototype.describedBy;
-
-/**
- * The nodes, if any, which may optionally be navigated to after this one. See <a href="http://www.w3.org/TR/wai-aria/states_and_properties#aria-flowto"> <code>aria-flowto</code></a>.
- * @type {(!Array<!chrome.automation.AutomationNode>|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-flowTo
- */
-chrome.automation.AutomationNode.prototype.flowTo;
-
-/**
- * The nodes, if any, which form a label for this element. Generally, the text from these elements will also be exposed as the element's accessible name, via the $(ref:automation.AutomationNode.name) attribute.
- * @type {(!Array<!chrome.automation.AutomationNode>|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-labelledBy
- */
-chrome.automation.AutomationNode.prototype.labelledBy;
-
-/**
- * The node referred to by <code>aria-activedescendant</code>, where applicable
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-activeDescendant
- */
-chrome.automation.AutomationNode.prototype.activeDescendant;
-
-/**
- * The URL that this link will navigate to.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-url
- */
-chrome.automation.AutomationNode.prototype.url;
-
-/**
- * The URL of this document.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-docUrl
- */
-chrome.automation.AutomationNode.prototype.docUrl;
-
-/**
- * The title of this document.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-docTitle
- */
-chrome.automation.AutomationNode.prototype.docTitle;
-
-/**
- * Whether this document has finished loading.
- * @type {(boolean|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-docLoaded
- */
-chrome.automation.AutomationNode.prototype.docLoaded;
-
-/**
- * The proportion (out of 1.0) that this doc has completed loading.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-docLoadingProgress
- */
-chrome.automation.AutomationNode.prototype.docLoadingProgress;
-
-/**
- * Scrollable container attributes.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-scrollX
- */
-chrome.automation.AutomationNode.prototype.scrollX;
-
-/**
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-scrollXMin
- */
-chrome.automation.AutomationNode.prototype.scrollXMin;
-
-/**
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-scrollXMax
- */
-chrome.automation.AutomationNode.prototype.scrollXMax;
-
-/**
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-scrollY
- */
-chrome.automation.AutomationNode.prototype.scrollY;
-
-/**
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-scrollYMin
- */
-chrome.automation.AutomationNode.prototype.scrollYMin;
-
-/**
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-scrollYMax
- */
-chrome.automation.AutomationNode.prototype.scrollYMax;
-
-/**
- * The character index of the start of the selection within this editable text element; -1 if no selection.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-textSelStart
- */
-chrome.automation.AutomationNode.prototype.textSelStart;
-
-/**
- * The character index of the end of the selection within this editable text element; -1 if no selection.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-textSelEnd
- */
-chrome.automation.AutomationNode.prototype.textSelEnd;
-
-/**
- * The input type, like email or number.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-textInputType
- */
-chrome.automation.AutomationNode.prototype.textInputType;
-
-/**
- * An array of indexes of the break between lines in editable text.
- * @type {!Array<number>}
- * @see https://developer.chrome.com/extensions/automation#type-lineBreaks
- */
-chrome.automation.AutomationNode.prototype.lineBreaks;
-
-/**
- * An array of indexes of the start position of each text marker.
- * @type {!Array<number>}
- * @see https://developer.chrome.com/extensions/automation#type-markerStarts
- */
+/** @type {Array<number>} */
+chrome.automation.AutomationNode.prototype.markerTypes;
+/** @type {Array<number>} */
 chrome.automation.AutomationNode.prototype.markerStarts;
-
-/**
- * An array of indexes of the end position of each text marker.
- * @type {!Array<number>}
- * @see https://developer.chrome.com/extensions/automation#type-markerEnds
- */
+/** @type {Array<number>} */
 chrome.automation.AutomationNode.prototype.markerEnds;
 
-/**
- * An array of numerical types indicating the type of each text marker, such as a spelling error.
- * @type {!Array<number>}
- * @see https://developer.chrome.com/extensions/automation#type-markerTypes
- */
-chrome.automation.AutomationNode.prototype.markerTypes;
-
-/**
- * The anchor node of the tree selection, if any.
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-anchorObject
- */
-chrome.automation.AutomationNode.prototype.anchorObject;
-
-/**
- * The anchor offset of the tree selection, if any.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-anchorOffset
- */
-chrome.automation.AutomationNode.prototype.anchorOffset;
-
-/**
- * The affinity of the tree selection anchor, if any.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-anchorAffinity
- */
-chrome.automation.AutomationNode.prototype.anchorAffinity;
-
-/**
- * The focus node of the tree selection, if any.
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-focusObject
- */
-chrome.automation.AutomationNode.prototype.focusObject;
-
-/**
- * The focus offset of the tree selection, if any.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-focusOffset
- */
-chrome.automation.AutomationNode.prototype.focusOffset;
-
-/**
- * The affinity of the tree selection focus, if any.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-focusAffinity
- */
-chrome.automation.AutomationNode.prototype.focusAffinity;
-
-/**
- * The current value for this range.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-valueForRange
- */
-chrome.automation.AutomationNode.prototype.valueForRange;
-
-/**
- * The minimum possible value for this range.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-minValueForRange
- */
-chrome.automation.AutomationNode.prototype.minValueForRange;
-
-/**
- * The maximum possible value for this range.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-maxValueForRange
- */
-chrome.automation.AutomationNode.prototype.maxValueForRange;
-
-/**
- * The 1-based index of an item in a set.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-posInSet
- */
-chrome.automation.AutomationNode.prototype.posInSet;
-
-/**
- * The number of items in a set;
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-setSize
- */
-chrome.automation.AutomationNode.prototype.setSize;
-
-/**
- * The number of rows in this table.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-tableRowCount
- */
-chrome.automation.AutomationNode.prototype.tableRowCount;
-
-/**
- * The number of columns in this table.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-tableColumnCount
- */
-chrome.automation.AutomationNode.prototype.tableColumnCount;
-
-/**
- * The zero-based index of the column that this cell is in.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-tableCellColumnIndex
- */
-chrome.automation.AutomationNode.prototype.tableCellColumnIndex;
-
-/**
- * The number of columns that this cell spans (default is 1).
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-tableCellColumnSpan
- */
-chrome.automation.AutomationNode.prototype.tableCellColumnSpan;
-
-/**
- * The zero-based index of the row that this cell is in.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-tableCellRowIndex
- */
-chrome.automation.AutomationNode.prototype.tableCellRowIndex;
-
-/**
- * The number of rows that this cell spans (default is 1).
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-tableCellRowSpan
- */
-chrome.automation.AutomationNode.prototype.tableCellRowSpan;
-
-/**
- * The corresponding column header for this cell.
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-tableColumnHeader
- */
-chrome.automation.AutomationNode.prototype.tableColumnHeader;
-
-/**
- * The corresponding row header for this cell.
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-tableRowHeader
- */
-chrome.automation.AutomationNode.prototype.tableRowHeader;
-
-/**
- * The type of region if this is the root of a live region. Possible values are 'polite' and 'assertive'.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-liveStatus
- */
-chrome.automation.AutomationNode.prototype.liveStatus;
-
-/**
- * The value of aria-relevant for a live region.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-liveRelevant
- */
-chrome.automation.AutomationNode.prototype.liveRelevant;
-
-/**
- * The value of aria-atomic for a live region.
- * @type {(boolean|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-liveAtomic
- */
-chrome.automation.AutomationNode.prototype.liveAtomic;
-
-/**
- * The value of aria-busy for a live region.
- * @type {(boolean|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-liveBusy
- */
-chrome.automation.AutomationNode.prototype.liveBusy;
-
-/**
- * The type of live region if this node is inside a live region.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-containerLiveStatus
- */
-chrome.automation.AutomationNode.prototype.containerLiveStatus;
-
-/**
- * The value of aria-relevant if this node is inside a live region.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-containerLiveRelevant
- */
-chrome.automation.AutomationNode.prototype.containerLiveRelevant;
-
-/**
- * The value of aria-atomic if this node is inside a live region.
- * @type {(boolean|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-containerLiveAtomic
- */
-chrome.automation.AutomationNode.prototype.containerLiveAtomic;
-
-/**
- * The value of aria-busy if this node is inside a live region.
- * @type {(boolean|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-containerLiveBusy
- */
-chrome.automation.AutomationNode.prototype.containerLiveBusy;
-
-/**
- * A map containing all HTML attributes and their values
- * @type {Object<string>}
- * @see https://developer.chrome.com/extensions/automation#type-htmlAttributes
- */
+/** @type {boolean} */
+chrome.automation.AutomationNode.prototype.ariaReadonly;
+
+/** @type {chrome.automation.AutomationNode} */
+chrome.automation.AutomationNode.prototype.nextOnLine;
+/** @type {chrome.automation.AutomationNode} */
+chrome.automation.AutomationNode.prototype.previousOnLine;
+
+/** @type {Object<string, string>} */
 chrome.automation.AutomationNode.prototype.htmlAttributes;
 
 /**
- * The input type of a text field, such as "text" or "email".
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-inputType
- */
-chrome.automation.AutomationNode.prototype.inputType;
-
-/**
- * The key that activates this widget.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-accessKey
- */
-chrome.automation.AutomationNode.prototype.accessKey;
-
-/**
- * The value of the aria-invalid attribute, indicating the error type.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-ariaInvalidValue
- */
-chrome.automation.AutomationNode.prototype.ariaInvalidValue;
-
-/**
- * The value of the aria-readonly attribute, if applicable.
- * @type {(boolean|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-ariaReadonly
- */
-chrome.automation.AutomationNode.prototype.ariaReadonly;
-
-/**
- * The CSS display attribute for this node, if applicable.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-display
- */
-chrome.automation.AutomationNode.prototype.display;
-
-/**
- * A data url with the contents of this object's image or thumbnail.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-imageDataUrl
- */
-chrome.automation.AutomationNode.prototype.imageDataUrl;
-
-/**
- * The language code for this subtree.
- * @type {(string|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-language
- */
-chrome.automation.AutomationNode.prototype.language;
-
-/**
- * If a checkbox or toggle button is in the mixed state.
- * @type {(boolean|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-buttonMixed
- */
-chrome.automation.AutomationNode.prototype.buttonMixed;
-
-/**
- * The RGBA foreground color of this subtree, as an integer.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-color
- */
-chrome.automation.AutomationNode.prototype.color;
-
-/**
- * The RGBA background color of this subtree, as an integer.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-backgroundColor
- */
-chrome.automation.AutomationNode.prototype.backgroundColor;
-
-/**
- * The RGBA color of an input element whose value is a color.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-colorValue
- */
-chrome.automation.AutomationNode.prototype.colorValue;
-
-/**
- * Walking the tree.
- * @type {!Array<!chrome.automation.AutomationNode>}
- * @see https://developer.chrome.com/extensions/automation#type-children
- */
-chrome.automation.AutomationNode.prototype.children;
-
-/**
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-parent
- */
-chrome.automation.AutomationNode.prototype.parent;
-
-/**
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-firstChild
- */
-chrome.automation.AutomationNode.prototype.firstChild;
-
-/**
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-lastChild
- */
-chrome.automation.AutomationNode.prototype.lastChild;
-
-/**
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-previousSibling
- */
-chrome.automation.AutomationNode.prototype.previousSibling;
-
-/**
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-nextSibling
- */
-chrome.automation.AutomationNode.prototype.nextSibling;
-
-/**
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-nextOnLine
- */
-chrome.automation.AutomationNode.prototype.nextOnLine;
-
-/**
- * @type {(!chrome.automation.AutomationNode|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-previousOnLine
- */
-chrome.automation.AutomationNode.prototype.previousOnLine;
-
-/**
- * The index of this node in its parent node's list of children. If this is the root node, this will be undefined.
- * @type {(number|undefined)}
- * @see https://developer.chrome.com/extensions/automation#type-indexInParent
- */
-chrome.automation.AutomationNode.prototype.indexInParent;
-
-/**
- * Does the default action based on this node's role. This is generally the same
- * action that would result from clicking the node such as expanding a treeitem,
- * toggling a checkbox, selecting a radiobutton, or activating a button.
- * @see https://developer.chrome.com/extensions/automation#method-doDefault
- */
-chrome.automation.AutomationNode.prototype.doDefault = function() {};
-
-/**
- * Places focus on this node.
- * @see https://developer.chrome.com/extensions/automation#method-focus
- */
-chrome.automation.AutomationNode.prototype.focus = function() {};
-
-/**
- * Request a data url for the contents of an image, optionally resized.  Pass
- * zero for maxWidth and/or maxHeight for the original size.
- * @param {number} maxWidth
- * @param {number} maxHeight
- * @see https://developer.chrome.com/extensions/automation#method-getImageData
- */
-chrome.automation.AutomationNode.prototype.getImageData = function(maxWidth, maxHeight) {};
-
-/**
- * Scrolls this node to make it visible.
- * @see https://developer.chrome.com/extensions/automation#method-makeVisible
- */
-chrome.automation.AutomationNode.prototype.makeVisible = function() {};
-
-/**
- * Sets selection within a text field.
- * @param {number} startIndex
- * @param {number} endIndex
- * @see https://developer.chrome.com/extensions/automation#method-setSelection
- */
-chrome.automation.AutomationNode.prototype.setSelection = function(startIndex, endIndex) {};
-
-/**
- * Clears focus and sets this node as the starting point for the next time the
- * user presses Tab or Shift+Tab.
- * @see https://developer.chrome.com/extensions/automation#method-setSequentialFocusNavigationStartingPoint
- */
-chrome.automation.AutomationNode.prototype.setSequentialFocusNavigationStartingPoint = function() {};
-
-/**
- * Show the context menu for this element, as if the user right-clicked.
- * @see https://developer.chrome.com/extensions/automation#method-showContextMenu
- */
-chrome.automation.AutomationNode.prototype.showContextMenu = function() {};
-
-/**
- * Resume playing any media within this tree.
- * @see https://developer.chrome.com/extensions/automation#method-resumeMedia
- */
-chrome.automation.AutomationNode.prototype.resumeMedia = function() {};
-
-/**
- * Start ducking any media within this tree.
- * @see https://developer.chrome.com/extensions/automation#method-startDuckingMedia
- */
-chrome.automation.AutomationNode.prototype.startDuckingMedia = function() {};
-
-/**
- * Stop ducking any media within this tree.
- * @see https://developer.chrome.com/extensions/automation#method-stopDuckingMedia
- */
-chrome.automation.AutomationNode.prototype.stopDuckingMedia = function() {};
-
-/**
- * Suspend any media playing within this tree.
- * @see https://developer.chrome.com/extensions/automation#method-suspendMedia
- */
-chrome.automation.AutomationNode.prototype.suspendMedia = function() {};
-
-/**
- * Adds a listener for the given event type and event phase.
- * @param {!chrome.automation.EventType} eventType
- * @param {function(!chrome.automation.AutomationEvent):void} listener A
- *     listener for events on an <code>AutomationNode</code>.
- * @param {boolean} capture
- * @see https://developer.chrome.com/extensions/automation#method-addEventListener
- */
-chrome.automation.AutomationNode.prototype.addEventListener = function(eventType, listener, capture) {};
-
-/**
- * Removes a listener for the given event type and event phase.
- * @param {!chrome.automation.EventType} eventType
- * @param {function(!chrome.automation.AutomationEvent):void} listener A
- *     listener for events on an <code>AutomationNode</code>.
- * @param {boolean} capture
- * @see https://developer.chrome.com/extensions/automation#method-removeEventListener
- */
-chrome.automation.AutomationNode.prototype.removeEventListener = function(eventType, listener, capture) {};
-
-/**
- * <p>Gets the first node in this node's subtree which matches the given CSS
- * selector and is within the same DOM context.</p><p>If this node doesn't
- * correspond directly with an HTML node in the DOM, querySelector will be run
- * on this node's nearest HTML node ancestor. Note that this may result in the
- * query returning a node which is not a descendant of this node.</p><p>If the
- * selector matches a node which doesn't directly correspond to an automation
- * node (for example an element within an ARIA widget, where the ARIA widget
- * forms one node of the automation tree, or an element which is hidden from
- * accessibility via hiding it using CSS or using aria-hidden), this will return
- * the nearest ancestor which does correspond to an automation node.</p>
- * @param {string} selector
- * @param {function(!chrome.automation.AutomationNode):void} callback Called
- *     when the result for a <code>query</code> is available.
- * @see https://developer.chrome.com/extensions/automation#method-domQuerySelector
- */
-chrome.automation.AutomationNode.prototype.domQuerySelector = function(selector, callback) {};
-
-/**
- * Finds the first AutomationNode in this node's subtree which matches the given
- * search parameters.
- * @param {!chrome.automation.FindParams} params
- * @return {!chrome.automation.AutomationNode}
- * @see https://developer.chrome.com/extensions/automation#method-find
- */
-chrome.automation.AutomationNode.prototype.find = function(params) {};
-
-/**
- * Finds all the AutomationNodes in this node's subtree which matches the given
- * search parameters.
- * @param {!chrome.automation.FindParams} params
- * @return {!Array<!chrome.automation.AutomationNode>}
- * @see https://developer.chrome.com/extensions/automation#method-findAll
- */
-chrome.automation.AutomationNode.prototype.findAll = function(params) {};
-
-/**
- * Returns whether this node matches the given $(ref:automation.FindParams).
- * @param {!chrome.automation.FindParams} params
- * @return {boolean}
- * @see https://developer.chrome.com/extensions/automation#method-matches
- */
-chrome.automation.AutomationNode.prototype.matches = function(params) {};
-
-
-/**
- * Get the automation tree for the tab with the given tabId, or the current tab
- * if no tabID is given, enabling automation if necessary. Returns a tree with a
- * placeholder root node; listen for the "loadComplete" event to get a
- * notification that the tree has fully loaded (the previous root node reference
- * will stop working at or before this point).
- * @param {number} tabId
- * @param {function(!chrome.automation.AutomationNode):void} callback Called
- *     when the <code>AutomationNode</code> for the page is available.
- * @see https://developer.chrome.com/extensions/automation#method-getTree
- */
-chrome.automation.getTree = function(tabId, callback) {};
-
-/**
- * Get the automation tree for the whole desktop which consists of all on screen
- * views. Note this API is currently only supported on Chrome OS.
- * @param {function(!chrome.automation.AutomationNode):void} callback Called
- *     when the <code>AutomationNode</code> for the page is available.
- * @see https://developer.chrome.com/extensions/automation#method-getDesktop
- */
-chrome.automation.getDesktop = function(callback) {};
-
-/**
- * Get the automation node that currently has focus, globally. Will return null
- * if none of the nodes in any loaded trees have focus.
- * @param {function(!chrome.automation.AutomationNode):void} callback Called
- *     with the <code>AutomationNode</code> that currently has focus.
- * @see https://developer.chrome.com/extensions/automation#method-getFocus
- */
-chrome.automation.getFocus = function(callback) {};
-
-/**
- * Add a tree change observer. Tree change observers are static/global, they
- * listen to changes across all trees. Pass a filter to determine what specific
- * tree changes to listen to, and note that listnening to all tree changes can
- * be expensive.
- * @param {!chrome.automation.TreeChangeObserverFilter} filter
- * @param {function(!chrome.automation.TreeChange):void} observer A listener for
- *     changes on the <code>AutomationNode</code> tree.
- * @see https://developer.chrome.com/extensions/automation#method-addTreeChangeObserver
- */
-chrome.automation.addTreeChangeObserver = function(filter, observer) {};
-
-/**
- * Remove a tree change observer.
- * @param {function(!chrome.automation.TreeChange):void} observer A listener for
- *     changes on the <code>AutomationNode</code> tree.
- * @see https://developer.chrome.com/extensions/automation#method-removeTreeChangeObserver
- */
-chrome.automation.removeTreeChangeObserver = function(observer) {};
-
-/**
- * Sets the selection in a tree. This creates a selection in a single tree
- * (anchorObject and focusObject must have the same root). Everything in the
- * tree between the two node/offset pairs gets included in the selection. The
- * anchor is where the user started the selection, while the focus is the point
- * at which the selection gets extended e.g. when dragging with a mouse or using
- * the keyboard. For nodes with the role staticText, the offset gives the
- * character offset within the value where the selection starts or ends,
- * respectively.
- * @param {!chrome.automation.SetDocumentSelectionParams} params
- * @see https://developer.chrome.com/extensions/automation#method-setDocumentSelection
- */
-chrome.automation.setDocumentSelection = function(params) {};
+ * @extends {chrome.automation.AutomationNode}
+ * @constructor
+ */
+chrome.automation.AutomationRootNode = function() {};
+
+/**
+ * @type {chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationRootNode.prototype.anchorObject;
+
+/**
+ * @type {number}
+ */
+chrome.automation.AutomationRootNode.prototype.anchorOffset;
+
+/**
+ * @type {chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationRootNode.prototype.focusObject;
+
+/**
+ * @type {number}
+ */
+chrome.automation.AutomationRootNode.prototype.focusOffset;