Change base::TickClock to a ref counted class.

chrome/browser/browser_process_platform_part_chromeos.cc

 // Copyright (c) 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 "chrome/browser/browser_process_platform_part_chromeos.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/time/default_tick_clock.h"
 #include "base/time/tick_clock.h"
@@ skipping 11 matching lines @@
     : created_profile_helper_(false) {
 }
 
 BrowserProcessPlatformPart::~BrowserProcessPlatformPart() {
 }
 
 void BrowserProcessPlatformPart::InitializeAutomaticRebootManager() {
   DCHECK(!automatic_reboot_manager_);
 
   automatic_reboot_manager_.reset(new chromeos::system::AutomaticRebootManager(
-      scoped_ptr<base::TickClock>(new base::DefaultTickClock)));
+      scoped_refptr<base::TickClock>(new base::DefaultTickClock)));
 }
 
 void BrowserProcessPlatformPart::ShutdownAutomaticRebootManager() {
   automatic_reboot_manager_.reset();
 }
 
 void BrowserProcessPlatformPart::InitializeChromeUserManager() {
   DCHECK(!chrome_user_manager_);
   chrome_user_manager_ =
       chromeos::ChromeUserManagerImpl::CreateChromeUserManager();
@@ skipping 52 matching lines @@
 BrowserProcessPlatformPart::CreateBrowserPolicyConnector() {
   return scoped_ptr<policy::BrowserPolicyConnector>(
       new policy::BrowserPolicyConnectorChromeOS());
 }
 
 void BrowserProcessPlatformPart::CreateProfileHelper() {
   DCHECK(!created_profile_helper_ && profile_helper_.get() == NULL);
   created_profile_helper_ = true;
   profile_helper_.reset(new chromeos::ProfileHelper());
 }