Give automation API access to browser plugin objects.

content/public/browser/ax_event_notification_details.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 "content/public/browser/ax_event_notification_details.h"
 
 namespace content {
 
 AXEventNotificationDetails::AXEventNotificationDetails(
     int node_id_to_clear,
     const std::vector<ui::AXNodeData>& nodes,
     ui::AXEvent event_type,
     int id,
+    std::map<int32, int> node_to_browser_plugin_instance_id_map,
     int process_id,
     int routing_id)
     : node_id_to_clear(node_id_to_clear),
       nodes(nodes),
       event_type(event_type),
       id(id),
+      node_to_browser_plugin_instance_id_map(
+          node_to_browser_plugin_instance_id_map),
       process_id(process_id),
       routing_id(routing_id) {
 }
 
 AXEventNotificationDetails::~AXEventNotificationDetails() {}
 
 }  // namespace content