chromeos: Simplify ShutdownPolicyHandler

chrome/browser/ui/webui/chromeos/login/oobe_ui.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/ui/webui/chromeos/login/oobe_ui.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 503 matching lines @@
   for (size_t i = 0; i < handlers_.size(); ++i) {
     if (handlers_[i]->async_assets_load_id().empty())
       handlers_[i]->InitializeBase();
   }
 
   // Instantiate the ShutdownPolicyHandler.
   shutdown_policy_handler_.reset(
       new ShutdownPolicyHandler(CrosSettings::Get(), this));
 
   // Trigger an initial update.
-  shutdown_policy_handler_->CheckIfRebootOnShutdown(
-      base::Bind(&OobeUI::OnShutdownPolicyChanged, base::Unretained(this)));
+  shutdown_policy_handler_->CheckIfRebootOnShutdown();
 }
 
 void OobeUI::OnScreenAssetsLoaded(const std::string& async_assets_load_id) {
   DCHECK(!async_assets_load_id.empty());
 
   for (size_t i = 0; i < handlers_.size(); ++i) {
     if (handlers_[i]->async_assets_load_id() == async_assets_load_id)
       handlers_[i]->InitializeBase();
   }
 }
@@ skipping 63 matching lines @@
     // http://crbug.com/646034.
     NOTIMPLEMENTED();
   }
 
   current_screen_ = new_screen;
   for (Observer& observer : observer_list_)
     observer.OnCurrentScreenChanged(current_screen_, new_screen);
 }
 
 }  // namespace chromeos