Update browser accessibility tree on a renderer accessibility object state ch...

chrome/browser/renderer_host/render_view_host.cc

Index: chrome/browser/renderer_host/render_view_host.cc
===================================================================
--- chrome/browser/renderer_host/render_view_host.cc	(revision 57984)
+++ chrome/browser/renderer_host/render_view_host.cc	(working copy)
@@ -1968,8 +1968,14 @@
   view()->OnAccessibilityFocusChange(acc_obj_id);
 }
 
-void RenderViewHost::OnAccessibilityObjectStateChange(int acc_obj_id) {
-  view()->OnAccessibilityObjectStateChange(acc_obj_id);
+void RenderViewHost::OnAccessibilityObjectStateChange(
+    const webkit_glue::WebAccessibility& acc_obj) {
+  view()->OnAccessibilityObjectStateChange(acc_obj);
+
+  NotificationService::current()->Notify(
+      NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED,
+      Source<RenderViewHost>(this),
+      NotificationService::NoDetails());
 }
 
 void RenderViewHost::OnAccessibilityObjectChildrenChange(