Add custom action support

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 d5a52e2a2b12db50f352e81dcb57997aebf9299e..af0d637390455234136ceea60f6d6061c34ffe1a 100644
--- a/third_party/closure_compiler/externs/automation.js
+++ b/third_party/closure_compiler/externs/automation.js
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 // This file was generated by:
-//   tools/json_schema_compiler/compiler.py.
+//   ./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.
@@ -90,6 +90,7 @@ chrome.automation.RoleType = {
   BUTTON_DROP_DOWN: 'buttonDropDown',
   CANVAS: 'canvas',
   CAPTION: 'caption',
+  CARET: 'caret',
   CELL: 'cell',
   CHECK_BOX: 'checkBox',
   CLIENT: 'client',
@@ -110,6 +111,7 @@ chrome.automation.RoleType = {
   DIALOG: 'dialog',
   DIRECTORY: 'directory',
   DISCLOSURE_TRIANGLE: 'disclosureTriangle',
+  // TODO(yawano): Remove div from extern file. This role no longer exists.
   DIV: 'div',
   DOCUMENT: 'document',
   EMBEDDED_OBJECT: 'embeddedObject',
@@ -118,6 +120,7 @@ chrome.automation.RoleType = {
   FIGURE: 'figure',
   FOOTER: 'footer',
   FORM: 'form',
+  GENERIC_CONTAINER: 'genericContainer',
   GRID: 'grid',
   GROUP: 'group',
   HEADING: 'heading',
@@ -214,7 +217,6 @@ chrome.automation.RoleType = {
  */
 chrome.automation.StateType = {
   BUSY: 'busy',
-  CHECKED: 'checked',
   COLLAPSED: 'collapsed',
   DEFAULT: 'default',
   DISABLED: 'disabled',
@@ -260,6 +262,7 @@ chrome.automation.TreeChangeType = {
 chrome.automation.NameFromType = {
   UNINITIALIZED: 'uninitialized',
   ATTRIBUTE: 'attribute',
+  ATTRIBUTE_EXPLICITLY_EMPTY: 'attributeExplicitlyEmpty',
   CONTENTS: 'contents',
   PLACEHOLDER: 'placeholder',
   RELATED_ELEMENT: 'relatedElement',
@@ -367,6 +370,15 @@ chrome.automation.TreeChangeObserverFilter = {
 };
 
 /**
+ * @typedef {{
+ *   id: number,
+ *   description: string
+ * }}
+ * @see https://developer.chrome.com/extensions/automation#type-CustomAction
+ */
+chrome.automation.CustomAction;
+
+/**
  * @constructor
  * @private
  * @see https://developer.chrome.com/extensions/automation#type-AutomationNode
@@ -525,6 +537,13 @@ chrome.automation.AutomationNode.prototype.activeDescendant;
 chrome.automation.AutomationNode.prototype.inPageLinkTarget;
 
 /**
+ * An array of custom actions.
+ * @type {(!Array<!chrome.automation.CustomAction>|undefined)}
+ * @see https://developer.chrome.com/extensions/automation#type-customActions
+ */
+chrome.automation.AutomationNode.prototype.customActions;
+
+/**
  * The URL that this link will navigate to.
  * @type {(string|undefined)}
  * @see https://developer.chrome.com/extensions/automation#type-url
@@ -919,11 +938,11 @@ chrome.automation.AutomationNode.prototype.imageDataUrl;
 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
+ * Tri-state describing checkbox or radio button: 'false' | 'true' | 'mixed'
+ * @type {(string|undefined)}
+ * @see https://developer.chrome.com/extensions/automation#type-checked
  */
-chrome.automation.AutomationNode.prototype.buttonMixed;
+chrome.automation.AutomationNode.prototype.checked;
 
 /**
  * The RGBA foreground color of this subtree, as an integer.
@@ -1042,6 +1061,13 @@ chrome.automation.AutomationNode.prototype.hitTest = function(x, y, eventToFire)
 chrome.automation.AutomationNode.prototype.makeVisible = function() {};
 
 /**
+ * Performs custom action.
+ * @param {number} customActionId
+ * @see https://developer.chrome.com/extensions/automation#method-performCustomAction
+ */
+chrome.automation.AutomationNode.prototype.performCustomAction = function(customActionId) {};
+
+/**
  * Sets selection within a text field.
  * @param {number} startIndex
  * @param {number} endIndex