chromeos: Remove old status-area related code.

ash/test/test_shell_delegate.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 "ash/test/test_shell_delegate.h"
 
 #include <algorithm>
 
 #include "ash/screenshot_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "grit/ui_resources.h"
 #include "ui/aura/window.h"
 
 namespace ash {
 namespace test {
 
 TestShellDelegate::TestShellDelegate() : locked_(false) {
 }
 
 TestShellDelegate::~TestShellDelegate() {
 }
 
-views::Widget* TestShellDelegate::CreateStatusArea() {
-  return NULL;
-}
-
 bool TestShellDelegate::IsUserLoggedIn() {
   return true;
 }
 
 void TestShellDelegate::LockScreen() {
   locked_ = true;
 }
 
 void TestShellDelegate::UnlockScreen() {
   locked_ = false;
@@ skipping 28 matching lines @@
     SystemTray* tray) {
   return NULL;
 }
 
 UserWallpaperDelegate* TestShellDelegate::CreateUserWallpaperDelegate() {
   return NULL;
 }
 
 }  // namespace test
 }  // namespace ash