Replace scoped_ptr with std::unique_ptr in //ui

ui/app_list/pagination_model.h

Index: ui/app_list/pagination_model.h
diff --git a/ui/app_list/pagination_model.h b/ui/app_list/pagination_model.h
index e37b46d0b84d71427a56be53ee0859c24c17d78e..c37530d822cd90e5526e5f4ec96bc2f442511d1a 100644
--- a/ui/app_list/pagination_model.h
+++ b/ui/app_list/pagination_model.h
@@ -5,9 +5,10 @@
 #ifndef UI_APP_LIST_PAGINATION_MODEL_H_
 #define UI_APP_LIST_PAGINATION_MODEL_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/time/time.h"
 #include "ui/app_list/app_list_export.h"
@@ -135,7 +136,7 @@ class APP_LIST_EXPORT PaginationModel : public gfx::AnimationDelegate {
   // last target page is remembered here.
   int pending_selected_page_;
 
-  scoped_ptr<gfx::SlideAnimation> transition_animation_;
+  std::unique_ptr<gfx::SlideAnimation> transition_animation_;
   int transition_duration_ms_;  // Transition duration in millisecond.
   int overscroll_transition_duration_ms_;