Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/button/custom_button.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/events/event_constants.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/animation/throb_animation.h"
 #include "ui/views/animation/ink_drop_state.h"
 #include "ui/views/controls/button/button.h"
 
 namespace views {
 
 class InkDropDelegate;
 
@@ skipping 73 matching lines @@
   bool OnKeyPressed(const ui::KeyEvent& event) override;
   bool OnKeyReleased(const ui::KeyEvent& event) override;
   void OnGestureEvent(ui::GestureEvent* event) override;
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
   bool SkipDefaultKeyEventProcessing(const ui::KeyEvent& event) override;
   void ShowContextMenu(const gfx::Point& p,
                        ui::MenuSourceType source_type) override;
   void OnDragDone() override;
   void GetAccessibleState(ui::AXViewState* state) override;
   void VisibilityChanged(View* starting_from, bool is_visible) override;
-  scoped_ptr<InkDropHover> CreateInkDropHover() const override;
+  std::unique_ptr<InkDropHover> CreateInkDropHover() const override;
   SkColor GetInkDropBaseColor() const override;
 
   // Overridden from gfx::AnimationDelegate:
   void AnimationProgressed(const gfx::Animation* animation) override;
 
   InkDropDelegate* ink_drop_delegate() const { return ink_drop_delegate_; }
 
   // Overridden from View:
   void Layout() override;
   void ViewHierarchyChanged(
@@ skipping 89 matching lines @@
   // because it needs to paint to a layer so it can extend beyond the bounds of
   // |this|.
   views::View* md_focus_ring_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomButton);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_