Complete live region support in ChromeVox Next.

chrome/common/extensions/api/automation_internal.idl

 // 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.
 
 // This is the implementation layer of the chrome.automation API, and is
 // essentially a translation of the internal accessibility tree update system
 // into an extension API.
 namespace automationInternal {
   // Data for an accessibility event and/or an atomic change to an accessibility
   // tree. See ui/accessibility/ax_tree_update.h for an extended explanation of
@@ skipping 79 matching lines @@
     static void querySelector(QuerySelectorRequiredParams args,
                               QuerySelectorCallback callback);
   };
 
   interface Events {
     // Fired when an accessibility event occurs
     static void onAccessibilityEvent(AXEventParams update);
 
     static void onAccessibilityTreeDestroyed(long treeID);
 
-    static void onTreeChange(long treeID, long nodeID, DOMString changeType);
+    static void onTreeChange(long observerID,
+                             long treeID,
+                             long nodeID,
+                             DOMString changeType);
+
+    static void onChildTreeID(long treeID, long nodeID);
+
+    static void onNodesRemoved(long treeID, long[] nodeIDs);
   };
 };