Fix speech flushing on Aura platforms in compat mode.

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 123 matching lines @@
         return;
 
       // Discard focused root nodes without focused state set.
       if (!node.state.focused)
         return;
 
       // Try to find a focusable descendant.
       node = node.find({state: {focused: true}}) || node;
     }
 
-    if (this.isEditable_(evt.target))
-      this.createEditableTextHandlerIfNeeded_(evt.target);
+    if (this.isEditable_(node))
+      this.createEditableTextHandlerIfNeeded_(node);
 
-    this.onEventDefault({target: node, type: 'focus'});
+    // Since we queue output mostly for live regions support and there isn't a
+    // reliable way to know if this focus event resulted from a user's explicit
+    // action, only flush when the focused node is not web content.
+    if (node.root.role == RoleType.desktop)
+      Output.flushNextSpeechUtterance();
+
+    this.onEventDefault(
+        {target: node, type: chrome.automation.EventType.focus});
   },
 
   /**
    * Provides all feedback once a load complete event fires.
    * @param {Object} evt
    */
   onLoadComplete: function(evt) {
     ChromeVoxState.instance.refreshMode(evt.target.docUrl);
 
     // Don't process nodes inside of web content if ChromeVox Next is inactive.
@@ skipping 147 matching lines @@
   if (cvox.ChromeVox.isMac)
     return;
   chrome.automation.getDesktop(function(desktop) {
     global.desktopAutomationHandler = new DesktopAutomationHandler(desktop);
   });
 };
 
 DesktopAutomationHandler.init_();
 
 });  // goog.scope