Generalize the HIT_TEST accessibility action so that it can send any event.

third_party/closure_compiler/externs/automation.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.
 
 // 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.
 // See https://chromium.googlesource.com/chromium/src/+/master/docs/closure_compilation.md
@@ skipping 972 matching lines @@
 /**
  * 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) {};
 
 /**
+ * Does a hit test of the given global screen coordinates, and fires eventToFire
+ * on the resulting object.
+ * @param {number} x
+ * @param {number} y
+ * @param {!chrome.automation.EventType} eventToFire
+ * @see https://developer.chrome.com/extensions/automation#method-hitTest
+ */
+chrome.automation.AutomationNode.prototype.hitTest = function(x, y, eventToFire) {};
+
+/**
  * 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
@@ skipping 159 matching lines @@
  * 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) {};