Convert //ash from scoped_ptr to std::unique_ptr

ash/wm/immersive_fullscreen_controller.h

Index: ash/wm/immersive_fullscreen_controller.h
diff --git a/ash/wm/immersive_fullscreen_controller.h b/ash/wm/immersive_fullscreen_controller.h
index a9d761490b2cbbacb1da308e5753c6924dbafca9..2183de849f0f0a72608ff6eb67ec42621bbf035a 100644
--- a/ash/wm/immersive_fullscreen_controller.h
+++ b/ash/wm/immersive_fullscreen_controller.h
@@ -274,22 +274,22 @@ class ASH_EXPORT ImmersiveFullscreenController
   // mouse state and the current touch state. Acquiring the lock is used to
   // trigger a reveal when the user moves the mouse to the top of the screen
   // and when the user does a SWIPE_OPEN edge gesture.
-  scoped_ptr<ImmersiveRevealedLock> located_event_revealed_lock_;
+  std::unique_ptr<ImmersiveRevealedLock> located_event_revealed_lock_;
 
   // Lock which keeps the top-of-window views revealed based on the focused view
   // and the active widget. Acquiring the lock never triggers a reveal because
   // a view is not focusable till a reveal has made it visible.
-  scoped_ptr<ImmersiveRevealedLock> focus_revealed_lock_;
+  std::unique_ptr<ImmersiveRevealedLock> focus_revealed_lock_;
 
   // The animation which controls sliding the top-of-window views in and out.
-  scoped_ptr<gfx::SlideAnimation> animation_;
+  std::unique_ptr<gfx::SlideAnimation> animation_;
 
   // Whether the animations are disabled for testing.
   bool animations_disabled_for_test_;
 
   // Manages bubbles which are anchored to a child of |top_container_|.
   class BubbleObserver;
-  scoped_ptr<BubbleObserver> bubble_observer_;
+  std::unique_ptr<BubbleObserver> bubble_observer_;
 
   base::WeakPtrFactory<ImmersiveFullscreenController> weak_ptr_factory_;