Fix spacing issues on Ash shelf

ash/common/test/test_system_tray_delegate.cc

 // Copyright 2013 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 "ash/common/test/test_system_tray_delegate.h"
 
 #include <string>
 
 #include "ash/common/login_status.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "base/time/time.h"
 
 namespace ash {
 namespace test {
 
 namespace {
 
 bool g_system_update_required = false;
 LoginStatus g_initial_status = LoginStatus::USER;
 
 }  // namespace
 
 TestSystemTrayDelegate::TestSystemTrayDelegate()
     : login_status_(g_initial_status), session_length_limit_set_(false) {}
 
 TestSystemTrayDelegate::~TestSystemTrayDelegate() {}
 
-// static
-void TestSystemTrayDelegate::SetSystemUpdateRequired(bool required) {
-  g_system_update_required = required;
-}
-
 void TestSystemTrayDelegate::SetLoginStatus(LoginStatus login_status) {
   login_status_ = login_status;
   WmShell::Get()->UpdateAfterLoginStatusChange(login_status);
 }
 
 void TestSystemTrayDelegate::SetSessionLengthLimitForTest(
     const base::TimeDelta& new_limit) {
   session_length_limit_ = new_limit;
   session_length_limit_set_ = true;
 }
@@ skipping 69 matching lines @@
     : old_status_(g_initial_status) {
   g_initial_status = new_status;
 }
 
 ScopedInitialLoginStatus::~ScopedInitialLoginStatus() {
   g_initial_status = old_status_;
 }
 
 }  // namespace test
 }  // namespace ash