Supports window teleports for notifications.

chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h

Index: chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
diff --git a/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h b/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
index be4a43ebf5addd9a1a163db59ec1a73ede2468b1..8bbf1e903059ffdd47004ccbdb04031b184682ea 100644
--- a/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
+++ b/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
@@ -11,12 +11,15 @@
 #include "ash/session_state_observer.h"
 #include "ash/wm/window_state_observer.h"
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/aura/window_observer.h"
 
 class Browser;
+class MultiUserNotificationBlockerChromeOS;
+class MultiUserNotificationBlockerChromeOSTest;
 class Profile;
 
 namespace aura {
@@ -89,6 +92,8 @@ class MultiUserWindowManagerChromeOS : public MultiUserWindowManager,
                const content::NotificationDetails& details) OVERRIDE;
 
  private:
+  friend class ::MultiUserNotificationBlockerChromeOSTest;
+
   class WindowEntry {
    public:
     explicit WindowEntry(const std::string& user_id)
@@ -175,6 +180,10 @@ class MultiUserWindowManagerChromeOS : public MultiUserWindowManager,
   // being read from the user manager to be in sync while a switch occurs.
   std::string current_user_id_;
 
+  // The blocker to controls the desktop notification visibility based on the

[Mr4D (OOO till 08-26), 2014/01/08 17:29:35]

Nit: "The blocker which controls .." - or better - "The blocker to control ..."

[Jun Mukai, 2014/01/08 20:41:24]

Done.

+  // current multi-user status.
+  scoped_ptr<MultiUserNotificationBlockerChromeOS> notification_blocker_;
+
   // The notification registrar to track the creation of browser windows.
   content::NotificationRegistrar registrar_;