Use EventRouter::Get instead of ExtensionSystem::Get(browser_context)->event_router()

chrome/browser/extensions/api/automation_internal/automation_util.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/extensions/api/automation_internal/automation_util.h"
 
 #include <string>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/values.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/api/automation_internal.h"
 #include "extensions/browser/event_router.h"
-#include "extensions/browser/extension_system.h"
 #include "ui/accessibility/ax_enums.h"
 #include "ui/accessibility/ax_node_data.h"
 
 namespace extensions {
 
 namespace {
 
 void PopulateNodeData(const ui::AXNodeData& node_data,
     linked_ptr< api::automation_internal::AXNodeData>& out_node_data) {
   out_node_data->id = node_data.id;
@@ skipping 82 matching lines @@
   }
 
   for (size_t i = 0; i < node_data.child_ids.size(); ++i) {
     out_node_data->child_ids.push_back(node_data.child_ids[i]);
   }
 }
 
 void DispatchEventInternal(content::BrowserContext* context,
                            const std::string& event_name,
                            scoped_ptr<base::ListValue> args) {
-  if (context && ExtensionSystem::Get(context)->event_router()) {
+  if (context && EventRouter::Get(context)) {
     scoped_ptr<Event> event(new Event(event_name, args.Pass()));
     event->restrict_to_browser_context = context;
-    ExtensionSystem::Get(context)->event_router()->BroadcastEvent(event.Pass());
+    EventRouter::Get(context)->BroadcastEvent(event.Pass());
   }
 }
 
-}  //namespace
+}  // namespace
 
 namespace automation_util {
 
 void DispatchAccessibilityEventsToAutomation(
     const std::vector<content::AXEventNotificationDetails>& details,
     content::BrowserContext* browser_context) {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableAutomationAPI)) {
     return;
   }
@@ skipping 24 matching lines @@
     // |AccessibilityHostMsg_EventParams| and |AccessibilityHostMsg_Events|.
     DispatchEventInternal(browser_context,
         api::automation_internal::OnAccessibilityEvent::kEventName,
         api::automation_internal::OnAccessibilityEvent::Create(ax_tree_update));
   }
 }
 
 }  // namespace automation_util
 
 }  // namespace extensions