Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

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 e1a729abf386e9268c15a7ce5c860d82e1ac3981..03ad69bde70df582330e70e7950643761a82a36b 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
@@ -6,12 +6,12 @@
 #define CHROME_BROWSER_UI_ASH_MULTI_USER_MULTI_USER_WINDOW_MANAGER_CHROMEOS_H_
 
 #include <map>
+#include <memory>
 #include <string>
 
 #include "ash/session/session_state_observer.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
 #include "components/signin/core/account_id/account_id.h"
@@ -243,7 +243,7 @@ class MultiUserWindowManagerChromeOS
 
   // The blocker which controls the desktop notification visibility based on the
   // current multi-user status.
-  scoped_ptr<MultiUserNotificationBlockerChromeOS> notification_blocker_;
+  std::unique_ptr<MultiUserNotificationBlockerChromeOS> notification_blocker_;
 
   // The notification registrar to track the creation of browser windows.
   content::NotificationRegistrar registrar_;
@@ -255,7 +255,7 @@ class MultiUserWindowManagerChromeOS
   AnimationSpeed animation_speed_;
 
   // The animation between users.
-  scoped_ptr<UserSwitchAnimatorChromeOS> animation_;
+  std::unique_ptr<UserSwitchAnimatorChromeOS> animation_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiUserWindowManagerChromeOS);
 };