Fix volume slider to emit value changed events and do not focus system tray item for transient views

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

 // Copyright 2015 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 Handles automation from a desktop automation node.
  */
 
 goog.provide('DesktopAutomationHandler');
 
@@ skipping 226 matching lines @@
   /**
    * Provides all feedback once a value changed event fires.
    * @param {Object} evt
    */
   onValueChanged: function(evt) {
     // Don't process nodes inside of web content if ChromeVox Next is inactive.
     if (evt.target.root.role != RoleType.desktop &&
         ChromeVoxState.instance.mode === ChromeVoxMode.CLASSIC)
       return;
 
-    if (!evt.target.state.focused)
-      return;
-
     // Value change events fire on web editables when typing. Suppress them.
     if (!ChromeVoxState.instance.currentRange ||
         !this.isEditable_(evt.target)) {
-      this.onEventDefault(evt);
-      ChromeVoxState.instance.setCurrentRange(
-          cursors.Range.fromNode(evt.target));
+      var range = cursors.Range.fromNode(evt.target);
+      new Output().withSpeechAndBraille(range, range, evt.type)
+          .go();
     }
   },
 
   /**
    * Handle updating the active indicator when the document scrolls.
    * @override
    */
   onScrollPositionChanged: function(evt) {
     var currentRange = ChromeVoxState.instance.currentRange;
     if (currentRange)
@@ skipping 46 matching lines @@
   if (cvox.ChromeVox.isMac)
     return;
   chrome.automation.getDesktop(function(desktop) {
     global.desktopAutomationHandler = new DesktopAutomationHandler(desktop);
   });
 };
 
 DesktopAutomationHandler.init_();
 
 });  // goog.scope