Update browser cache of accessibility tree on renderer sub-tree changes....

chrome/renderer/render_view.h

 // Copyright (c) 2010 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 CHROME_RENDERER_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 378 matching lines @@
   virtual void focusNext();
   virtual void focusPrevious();
   virtual void focusedNodeChanged(const WebKit::WebNode& node);
   virtual void navigateBackForwardSoon(int offset);
   virtual int historyBackListCount();
   virtual int historyForwardListCount();
   virtual void focusAccessibilityObject(
       const WebKit::WebAccessibilityObject& acc_obj);
   virtual void didChangeAccessibilityObjectState(
       const WebKit::WebAccessibilityObject& acc_obj);
+  virtual void didChangeAccessibilityObjectChildren(
+      const WebKit::WebAccessibilityObject& acc_obj);
   virtual void didUpdateInspectorSetting(const WebKit::WebString& key,
                                          const WebKit::WebString& value);
   virtual void queryAutofillSuggestions(const WebKit::WebNode& node,
                                         const WebKit::WebString& name,
                                         const WebKit::WebString& value);
   virtual void removeAutofillSuggestions(const WebKit::WebString& name,
                                          const WebKit::WebString& value);
   virtual void didAcceptAutoFillSuggestion(const WebKit::WebNode& node,
                                            const WebKit::WebString& value,
                                            const WebKit::WebString& label,
@@ skipping 289 matching lines @@
   // Called in a posted task by textFieldDidChange() to work-around a WebKit bug
   // http://bugs.webkit.org/show_bug.cgi?id=16976
   void TextFieldDidChangeImpl(const WebKit::WebInputElement& element);
 
   // IPC message handlers ------------------------------------------------------
   //
   // The documentation for these functions should be in
   // render_messages_internal.h for the message that the function is handling.
 
   void OnAccessibilityDoDefaultAction(int acc_obj_id);
+  void OnAccessibilityObjectChildrenChangeAck();
   void OnAllowBindings(int enabled_bindings_flags);
   void OnAddMessageToConsole(const string16& frame_xpath,
                              const string16& message,
                              const WebKit::WebConsoleMessage::Level&);
   void OnAdvanceToNextMisspelling();
   void OnAllowScriptToClose(bool script_can_close);
   void OnAutocompleteSuggestionsReturned(
       int query_id,
       const std::vector<string16>& suggestions,
       int default_suggestions_index);
@@ skipping 512 matching lines @@
 
   scoped_refptr<AudioMessageFilter> audio_message_filter_;
 
   // The geolocation dispatcher attached to this view, lazily initialized.
   scoped_ptr<GeolocationDispatcher> geolocation_dispatcher_;
 
   // Handles accessibility requests into the renderer side, as well as
   // maintains the cache and other features of the accessibility tree.
   scoped_ptr<WebKit::WebAccessibilityCache> accessibility_;
 
+  std::vector<webkit_glue::WebAccessibility> accessibility_changes_;
+
   // The speech dispatcher attached to this view, lazily initialized.
   scoped_ptr<SpeechInputDispatcher> speech_input_dispatcher_;
 
   // Device orientation dispatcher attached to this view; lazily initialized.
   scoped_ptr<DeviceOrientationDispatcher> device_orientation_dispatcher_;
 
   // Misc ----------------------------------------------------------------------
 
   // The current and pending file chooser completion objects. If the queue is
   // nonempty, the first item represents the currently running file chooser
@@ skipping 57 matching lines @@
   // ADDING NEW DATA? Please see if it fits appropriately in one of the above
   // sections rather than throwing it randomly at the end. If you're adding a
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_