Fix Chrome OS virtual keyboard accessibility

chrome/browser/ui/aura/accessibility/automation_manager_aura.cc

 // 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.
 
 #include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
 
 #include <stddef.h>
 
 #include "base/memory/singleton.h"
 #include "build/build_config.h"
@@ skipping 81 matching lines @@
     views::AXAuraObjWrapper* parent) {
   if (!enabled_)
     return;
 
   if (!parent)
     parent = current_tree_->GetRoot();
 
   SendEvent(nullptr, parent, ui::AX_EVENT_CHILDREN_CHANGED);
 }
 
+void AutomationManagerAura::OnEvent(views::AXAuraObjWrapper* aura_obj,
+                                    ui::AXEvent event_type) {
+  SendEvent(nullptr, aura_obj, event_type);
+}
+
 AutomationManagerAura::AutomationManagerAura()
     : AXHostDelegate(extensions::api::automation::kDesktopTreeID),
       enabled_(false),
       processing_events_(false) {}
 
 AutomationManagerAura::~AutomationManagerAura() {
 }
 
 void AutomationManagerAura::Reset(bool reset_serializer) {
   if (!current_tree_)
@@ skipping 42 matching lines @@
 
   processing_events_ = false;
   auto pending_events_copy = pending_events_;
   pending_events_.clear();
   for (size_t i = 0; i < pending_events_copy.size(); ++i) {
     SendEvent(context,
               pending_events_copy[i].first,
               pending_events_copy[i].second);
   }
 }