Improve the notifications sent from AXTree updates.

content/browser/accessibility/browser_accessibility_manager_win.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_
 
 #include <oleacc.h>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 41 matching lines @@
 
   // Return a pointer to the object corresponding to the given windows-specific
   // unique id, does not make a new reference.
   BrowserAccessibilityWin* GetFromUniqueIdWin(LONG unique_id_win);
 
   // Called when |accessible_hwnd_| is deleted by its parent.
   void OnAccessibleHwndDeleted();
 
  protected:
   // BrowserAccessibilityManager methods
-  virtual void OnRootChanged(ui::AXNode* new_root) override;
+  void OnAtomicUpdateFinished(
+      bool root_changed,
+      const std::vector<ui::AXTreeDelegate::Change>& changes) override;
 
  private:
   // Give BrowserAccessibilityManager::Create access to our constructor.
   friend class BrowserAccessibilityManager;
 
   // Track the most recent object that has been asked to scroll and
   // post a notification directly on it when it reaches its destination.
   // TODO(dmazzoni): remove once http://crbug.com/113483 is fixed.
   BrowserAccessibilityWin* tracked_scroll_object_;
 
   // A mapping from the Windows-specific unique IDs (unique within the
   // browser process) to accessibility ids within this page.
   base::hash_map<long, int32> unique_id_to_ax_id_map_;
 
   // Set to true if we need to fire a focus event on the root as soon as
   // possible.
   bool focus_event_on_root_needed_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerWin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_