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

chrome/browser/extensions/menu_manager.cc

 // Copyright (c) 2012 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/menu_manager.h"
 
 #include <algorithm>
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 589 matching lines @@
 static void AddURLProperty(base::DictionaryValue* dictionary,
                            const std::string& key, const GURL& url) {
   if (!url.is_empty())
     dictionary->SetString(key, url.possibly_invalid_spec());
 }
 
 void MenuManager::ExecuteCommand(Profile* profile,
                                  WebContents* web_contents,
                                  const content::ContextMenuParams& params,
                                  const MenuItem::Id& menu_item_id) {
-  EventRouter* event_router = extensions::ExtensionSystem::Get(profile)->
-      event_router();
+  EventRouter* event_router = EventRouter::Get(profile);
   if (!event_router)
     return;
 
   MenuItem* item = GetItemById(menu_item_id);
   if (!item)
     return;
 
   // ExtensionService/Extension can be NULL in unit tests :(
   ExtensionService* service =
       ExtensionSystem::Get(profile_)->extension_service();
@@ skipping 330 matching lines @@
       if (uid < other.uid)
         return true;
       if (uid == other.uid)
         return string_uid < other.string_uid;
     }
   }
   return false;
 }
 
 }  // namespace extensions