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

chrome/browser/renderer_host/render_widget_host_view_win.cc

 // 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.
 
 #include "chrome/browser/renderer_host/render_widget_host_view_win.h"
 
 #include "app/l10n_util.h"
 #include "app/l10n_util_win.h"
 #include "app/resource_bundle.h"
 #include "base/command_line.h"
@@ skipping 1493 matching lines @@
   }
 }
 
 void RenderWidgetHostViewWin::OnAccessibilityObjectStateChange(int acc_obj_id) {
   if (browser_accessibility_manager_.get()) {
     browser_accessibility_manager_->OnAccessibilityObjectStateChange(
         acc_obj_id);
   }
 }
 
+void RenderWidgetHostViewWin::OnAccessibilityObjectChildrenChange(
+    const std::vector<webkit_glue::WebAccessibility>& acc_changes) {
+  if (browser_accessibility_manager_.get()) {
+    browser_accessibility_manager_->OnAccessibilityObjectChildrenChange(
+        acc_changes);
+  }
+}
+
 void RenderWidgetHostViewWin::Observe(NotificationType type,
                                       const NotificationSource& source,
                                       const NotificationDetails& details) {
   DCHECK(type == NotificationType::RENDERER_PROCESS_TERMINATED);
 
   // Get the RenderProcessHost that posted this notification, and exit
   // if it's not the one associated with this host view.
   RenderProcessHost* render_process_host =
       Source<RenderProcessHost>(source).ptr();
   DCHECK(render_process_host);
@@ skipping 22 matching lines @@
   if (!browser_accessibility_manager_.get() ||
       !render_widget_host_ ||
       !render_widget_host_->process() ||
       !render_widget_host_->process()->HasConnection()) {
     return;
   }
 
   render_widget_host_->AccessibilityDoDefaultAction(acc_obj_id);
 }
 
+void RenderWidgetHostViewWin::AccessibilityObjectChildrenChangeAck() {
+  render_widget_host_->AccessibilityObjectChildrenChangeAck();
+}
+
 LRESULT RenderWidgetHostViewWin::OnGetObject(UINT message, WPARAM wparam,
                                              LPARAM lparam, BOOL& handled) {
   if (lparam != OBJID_CLIENT) {
     handled = false;
     return static_cast<LRESULT>(0L);
   }
 
   if (!browser_accessibility_manager_.get()) {
     render_widget_host_->EnableRendererAccessibility();
 
@@ skipping 156 matching lines @@
     RenderWidgetHostView::GetRenderWidgetHostViewFromNativeView(
         gfx::NativeView native_view) {
   if (::IsWindow(native_view)) {
     HANDLE raw_render_host_view = ::GetProp(native_view,
                                             kRenderWidgetHostViewKey);
     if (raw_render_host_view)
       return reinterpret_cast<RenderWidgetHostView*>(raw_render_host_view);
   }
   return NULL;
 }