Replace scoped_ptr with std::unique_ptr in //ui

ui/views/animation/ink_drop_host_view.h

Index: ui/views/animation/ink_drop_host_view.h
diff --git a/ui/views/animation/ink_drop_host_view.h b/ui/views/animation/ink_drop_host_view.h
index 3a3efa6b6ed6be0ef124608917105695447f8824..35f712c0063bf724985dc117389d61868f233f97 100644
--- a/ui/views/animation/ink_drop_host_view.h
+++ b/ui/views/animation/ink_drop_host_view.h
@@ -5,7 +5,8 @@
 #ifndef UI_VIEWS_ANIMATION_INK_DROP_HOST_VIEW_H_
 #define UI_VIEWS_ANIMATION_INK_DROP_HOST_VIEW_H_
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/views/animation/ink_drop_host.h"
@@ -25,8 +26,8 @@ class VIEWS_EXPORT InkDropHostView : public views::View, public InkDropHost {
   // Overridden from views::InkDropHost:
   void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
   void RemoveInkDropLayer(ui::Layer* ink_drop_layer) override;
-  scoped_ptr<InkDropAnimation> CreateInkDropAnimation() const override;
-  scoped_ptr<InkDropHover> CreateInkDropHover() const override;
+  std::unique_ptr<InkDropAnimation> CreateInkDropAnimation() const override;
+  std::unique_ptr<InkDropHover> CreateInkDropHover() const override;
 
   void set_ink_drop_size(const gfx::Size& size) { ink_drop_size_ = size; }