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

chrome/browser/chromeos/file_manager/file_browser_handlers.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/chromeos/file_manager/file_browser_handlers.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/i18n/case_conversion.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 341 matching lines @@
     int handler_pid_in,
     extensions::ExtensionHost* host) {
   int handler_pid = host ? host->render_process_host()->GetID() :
       handler_pid_in;
 
   if (handler_pid <= 0) {
     ExecuteDoneOnUIThread(false);
     return;
   }
 
-  extensions::EventRouter* event_router =
-      extensions::ExtensionSystem::Get(profile_)->event_router();
-  if (!event_router) {
+  extensions::EventRouter* router = extensions::EventRouter::Get(profile_);
+  if (!router) {
     ExecuteDoneOnUIThread(false);
     return;
   }
 
   SetupHandlerHostFileAccessPermissions(
       file_definition_list.get(), extension_.get(), handler_pid);
 
   scoped_ptr<base::ListValue> event_args(new base::ListValue());
   event_args->Append(new base::StringValue(action_id_));
   base::DictionaryValue* details = new base::DictionaryValue();
@@ skipping 12 matching lines @@
     file_def->SetString("fileSystemName", iter->file_system_name);
     file_def->SetString("fileSystemRoot", iter->file_system_root_url);
     file_def->SetString("fileFullPath",
                         "/" + iter->full_path.AsUTF8Unsafe());
     file_def->SetBoolean("fileIsDirectory", iter->is_directory);
   }
 
   scoped_ptr<extensions::Event> event(new extensions::Event(
       "fileBrowserHandler.onExecute", event_args.Pass()));
   event->restrict_to_browser_context = profile_;
-  event_router->DispatchEventToExtension(extension_->id(), event.Pass());
+  router->DispatchEventToExtension(extension_->id(), event.Pass());
 
   ExecuteDoneOnUIThread(true);
 }
 
 void FileBrowserHandlerExecutor::SetupHandlerHostFileAccessPermissions(
     FileDefinitionList* file_definition_list,
     const Extension* extension,
     int handler_pid) {
   const FileBrowserHandler* action = FindFileBrowserHandlerForActionId(
       extension_, action_id_);
@@ skipping 117 matching lines @@
       if (common_handlers.empty())
         return FileBrowserHandlerList();
     }
   }
 
   return common_handlers;
 }
 
 }  // namespace file_browser_handlers
 }  // namespace file_manager