Recovery: Implement focus recovery across root AutomationNodes

chrome/browser/resources/chromeos/chromevox/cvox2/background/i_search.js

 // 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.
 
 /**
  * @fileoverview Objects related to incremental search.
  */
 
 goog.provide('ISearch');
 goog.provide('ISearchHandler');
@@ skipping 105 matching lines @@
   this.background_ =
       chrome.extension.getBackgroundPage()['ChromeVoxState']['instance'];
   this.iSearch_ = new ISearch(this.background_.currentRange.start.node);
   this.input_ = input;
   this.dir_ = Dir.FORWARD;
   this.iSearch_.handler = this;
 
   this.onKeyDown = this.onKeyDown.bind(this);
   this.onTextInput = this.onTextInput.bind(this);
 
-  this.background_['startExcursion']();
   input.addEventListener('keydown', this.onKeyDown, true);
   input.addEventListener('textInput', this.onTextInput, true);
 };
 
 /**
  * @param {Element} input
  * @return {ISearchUI}
  */
 ISearchUI.get = function(input) {
   if (ISearchUI.instance_)
@@ skipping 12 matching lines @@
   onKeyDown: function(evt) {
     switch (evt.key) {
       case 'ArrowUp':
         this.dir_ = Dir.BACKWARD;
         break;
       case 'ArrowDown':
         this.dir_ = Dir.FORWARD;
         break;
       case 'Escape':
         this.pendingSearchId_ = 0;
-        this.background_['endExcursion']();
         Panel.closeMenusAndRestoreFocus();
         return false;
       case 'Enter':
         this.pendingSearchId_ = 0;
-        this.background_['saveExcursion']();
         Panel.closeMenusAndRestoreFocus();
         return false;
       default:
         this.pendingSearchId_ = 0;
         return false;
     }
     this.iSearch_.search(this.input_.value, this.dir_);
     evt.preventDefault();
     evt.stopPropagation();
     return false;
@@ skipping 41 matching lines @@
     this.iSearch_.handler_ = null;
     this.iSearch_ = null;
     var input = this.input_;
     this.input_ = null;
     input.removeEventListener('keydown', this.onKeyDown, true);
     input.removeEventListener('textInput', this.onTextInput, true);
   }
 };
 
 });  // goog.scope