ash: Remove use of ALLOW_THIS_IN_INITIALIZER_LIST.

ash/system/tray/test_system_tray_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/system/tray/test_system_tray_delegate.h"
 
 #include <string>
 
 #include "ash/session_state_delegate.h"
 #include "ash/shell.h"
@@ skipping 39 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(TestVolumeControlDelegate);
 };
 
 }  // namespace
 
 TestSystemTrayDelegate::TestSystemTrayDelegate()
     : wifi_enabled_(true),
       cellular_enabled_(true),
       bluetooth_enabled_(true),
       caps_lock_enabled_(false),
-      volume_control_delegate_(
-          ALLOW_THIS_IN_INITIALIZER_LIST(new TestVolumeControlDelegate)) {
+      volume_control_delegate_(new TestVolumeControlDelegate) {
 }
 
 TestSystemTrayDelegate::~TestSystemTrayDelegate() {
 }
 
 void TestSystemTrayDelegate::Initialize() {
 }
 
 void TestSystemTrayDelegate::Shutdown() {
 }
@@ skipping 294 matching lines @@
 base::string16 TestSystemTrayDelegate::FormatTimeDuration(
     const base::TimeDelta& delta) const {
   return base::string16();
 }
 
 void TestSystemTrayDelegate::MaybeSpeak(const std::string& utterance) const {
 }
 
 }  // namespace test
 }  // namespace ash