Stop ChromeVox Next page loading sounds when page finishes loading.

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 609 matching lines @@
         // When in compat mode, if the focus is within the desktop tree proper,
         // then do not disable content scripts.
         if (this.currentRange_ &&
             this.currentRange_.start.node.root.role == RoleType.desktop)
           return;
 
         this.disableClassicChromeVox_();
       }
     }.bind(this));
 
+    // If switching out of a ChromeVox Next mode, make sure we cancel
+    // the progress loading sound just in case.
+    if ((this.mode_ === ChromeVoxMode.NEXT ||
+         this.mode_ === ChromeVoxMode.FORCE_NEXT) &&
+        this.mode_ != mode) {
+      cvox.ChromeVox.earcons.cancelEarcon(cvox.Earcon.PAGE_START_LOADING);
+    }
+
     this.mode_ = mode;
   },
 
   /**
    * @param {!Spannable} text
    * @param {number} position
    * @private
    */
   brailleRoutingCommand_: function(text, position) {
     var actionNodeSpan = null;
@@ skipping 56 matching lines @@
     return glob.replace(/[.+^$(){}|[\]\\]/g, '\\$&')
         .replace(/\*/g, '.*')
         .replace(/\?/g, '.');
   }).join('|') + ')$');
 };
 
 /** @type {Background} */
 global.backgroundObj = new Background();
 
 });  // goog.scope