Replace Increment/DecrementKeepAliveCount by ScopedKeepAlives

chrome/browser/browser_process_platform_part_chromeos.h

 // 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.
 
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_PLATFORM_PART_CHROMEOS_H_
 #define CHROME_BROWSER_BROWSER_PROCESS_PLATFORM_PART_CHROMEOS_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 22 matching lines @@
 namespace policy {
 class BrowserPolicyConnector;
 class BrowserPolicyConnectorChromeOS;
 }
 
 namespace session_manager {
 class SessionManager;
 }
 
 class Profile;
+class ScopedKeepAlive;
 
 class BrowserProcessPlatformPart : public BrowserProcessPlatformPartBase,
                                    public base::NonThreadSafe {
  public:
   BrowserProcessPlatformPart();
   ~BrowserProcessPlatformPart() override;
 
   void InitializeAutomaticRebootManager();
   void ShutdownAutomaticRebootManager();
 
@@ skipping 10 matching lines @@
 
   // Disable the offline interstitial easter egg if the device is enterprise
   // enrolled.
   void DisableDinoEasterEggIfEnrolled();
 
   // Returns the SessionManager instance that is used to initialize and
   // start user sessions as well as responsible on launching pre-session UI like
   // out-of-box or login.
   virtual session_manager::SessionManager* SessionManager();
 
+  // Used to register a KeepAlive when Ash is initialized, and release it
+  // when until Chrome starts exiting. Ensure we stay running the whole time.
+  void RegisterKeepAlive();
+  void UnregisterKeepAlive();
+
   // Returns the ProfileHelper instance that is used to identify
   // users and their profiles in Chrome OS multi user session.
   chromeos::ProfileHelper* profile_helper();
 
   chromeos::system::AutomaticRebootManager* automatic_reboot_manager() {
     return automatic_reboot_manager_.get();
   }
 
   policy::BrowserPolicyConnectorChromeOS* browser_policy_connector_chromeos();
 
@@ skipping 30 matching lines @@
 
   scoped_ptr<chromeos::system::DeviceDisablingManagerDefaultDelegate>
       device_disabling_manager_delegate_;
   scoped_ptr<chromeos::system::DeviceDisablingManager>
       device_disabling_manager_;
 
   scoped_ptr<chromeos::TimeZoneResolver> timezone_resolver_;
 
   scoped_ptr<chromeos::system::SystemClock> system_clock_;
 
+  scoped_ptr<ScopedKeepAlive> keep_alive_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessPlatformPart);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_PLATFORM_PART_CHROMEOS_H_