Replace Increment/DecrementKeepAliveCount by ScopedKeepAlives

chrome/browser/browser_process_platform_part_chromeos.h

Index: chrome/browser/browser_process_platform_part_chromeos.h
diff --git a/chrome/browser/browser_process_platform_part_chromeos.h b/chrome/browser/browser_process_platform_part_chromeos.h
index 11eed8eff3aac2e2e938f4ebb9951f49c1c260b4..d5d3887ab23fe8b71efecbfc0ab3c0aed550a29f 100644
--- a/chrome/browser/browser_process_platform_part_chromeos.h
+++ b/chrome/browser/browser_process_platform_part_chromeos.h
@@ -40,6 +40,7 @@ class SessionManager;
 }
 
 class Profile;
+class ScopedKeepAlive;
 
 class BrowserProcessPlatformPart : public BrowserProcessPlatformPartBase,
                                    public base::NonThreadSafe {
@@ -70,6 +71,11 @@ class BrowserProcessPlatformPart : public BrowserProcessPlatformPartBase,
   // 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();
@@ -120,6 +126,8 @@ class BrowserProcessPlatformPart : public BrowserProcessPlatformPartBase,
 
   scoped_ptr<chromeos::system::SystemClock> system_clock_;
 
+  scoped_ptr<ScopedKeepAlive> keep_alive_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessPlatformPart);
 };