Use category flush for focus events.

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

 // Copyright 2014 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 The entry point for all ChromeVox2 related code for the
  * background page.
  */
 
 goog.provide('Background');
@@ skipping 109 matching lines @@
     get: function() {
       return localStorage['active'] !== 'false';
     },
     set: function(value) {
       localStorage['active'] = value;
     }
   });
 
   cvox.ExtensionBridge.addMessageListener(this.onMessage_);
 
-  /** @type {!BackgroundKeyboardHandler} */
+  /** @type {!BackgroundKeyboardHandler} @private */
   this.keyboardHandler_ = new BackgroundKeyboardHandler();
 
-  /** @type {!LiveRegions} */
+  /** @type {!LiveRegions} @private */
   this.liveRegions_ = new LiveRegions(this);
 
   /** @type {boolean} @private */
   this.inExcursion_ = false;
 
   /**
    * Stores the mode as computed the last time a current range was set.
    * @type {?ChromeVoxMode}
+   * @private
    */
   this.mode_ = null;
 
   chrome.accessibilityPrivate.onAccessibilityGesture.addListener(
       this.onAccessibilityGesture_);
 };
 
 /**
  * @const {string}
  */
@@ skipping 360 matching lines @@
     return this.mode != ChromeVoxMode.FORCE_NEXT &&
         !this.isBlacklistedForClassic_(url) &&
         !this.isWhitelistedForNext_(url);
   },
 
   /**
    * Compat mode is on if any of the following are true:
    * 1. a url is blacklisted for Classic.
    * 2. the current range is not within web content.
    * @param {string} url
+   * @return {boolean}
    */
   isWhitelistedForCompat_: function(url) {
     return this.isBlacklistedForClassic_(url) || (this.getCurrentRange() &&
         !this.getCurrentRange().isWebRange() &&
         this.getCurrentRange().start.node.state.focused);
   },
 
   /**
    * @param {string} url
    * @return {boolean}
@@ skipping 87 matching lines @@
             isClassicEnabled: isClassicEnabled
           });
         } else if (action == 'enableCompatForUrl') {
           var url = msg['url'];
           this.classicBlacklist_.add(url);
           if (this.currentRange_ && this.currentRange_.start.node)
             this.setCurrentRange(this.currentRange_);
         } else if (action == 'onCommand') {
           CommandHandler.onCommand(msg['command']);
         } else if (action == 'flushNextUtterance') {
-          Output.flushNextSpeechUtterance();
+          Output.forceModeForNextSpeechUtterance(cvox.QueueMode.FLUSH);
         }
         break;
     }
   },
 
   /**
    * Restore the range to the last range that was *not* in the ChromeVox
    * panel. This is used when the ChromeVox Panel closes.
    * @param {function()=} opt_callback
    * @private
@@ skipping 111 matching lines @@
   return new RegExp('^(' + globs.map(function(glob) {
     return glob.replace(/[.+^$(){}|[\]\\]/g, '\\$&')
         .replace(/\*/g, '.*')
         .replace(/\?/g, '.');
   }).join('|') + ')$');
 };
 
 new Background();
 
 });  // goog.scope