Fix crash when notification disappears under popup menu.

chrome/browser/ui/cocoa/notifications/balloon_controller.h

Index: chrome/browser/ui/cocoa/notifications/balloon_controller.h
diff --git a/chrome/browser/ui/cocoa/notifications/balloon_controller.h b/chrome/browser/ui/cocoa/notifications/balloon_controller.h
index fadd35a5e01ea7249c18ddb779c774aa53caf993..e346f42f5807d10a90f333e964f66aa0c9a393d1 100644
--- a/chrome/browser/ui/cocoa/notifications/balloon_controller.h
+++ b/chrome/browser/ui/cocoa/notifications/balloon_controller.h
@@ -52,6 +52,10 @@ class NotificationOptionsMenuModel;
 
   // The host for the renderer of the HTML contents.
   scoped_ptr<BalloonViewHost> htmlContents_;
+
+  // Variables to delay close requested by script while showing modal menu.
+  BOOL optionMenuIsActive_;
+  BOOL delayedClose_;
 }
 
 // Initialize with a balloon object containing the notification data.