Replace Increment/DecrementKeepAliveCount by ScopedKeepAlives

chrome/browser/app_controller_mac.h

Index: chrome/browser/app_controller_mac.h
diff --git a/chrome/browser/app_controller_mac.h b/chrome/browser/app_controller_mac.h
index b5febc94677c58a7eef6916bb019dc5f06ccf09d..432e12072480ee51e07b413ccc87f48aabf92f41 100644
--- a/chrome/browser/app_controller_mac.h
+++ b/chrome/browser/app_controller_mac.h
@@ -29,6 +29,7 @@ class HistoryMenuBridge;
 class Profile;
 @class ProfileMenuController;
 class QuitWithAppsController;
+class ScopedKeepAlive;
 
 namespace ui {
 class WorkAreaWatcherObserver;
@@ -107,6 +108,9 @@ class WorkAreaWatcherObserver;
 
   // This will be true after receiving a NSWorkspaceWillPowerOffNotification.
   BOOL isPoweringOff_;
+
+  // Request to keep the browser alive during that object's lifetime.
+  scoped_ptr<ScopedKeepAlive> keep_alive_;
 }
 
 @property(readonly, nonatomic) BOOL startupComplete;