Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/button/image_button.cc

 // 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.
 
 #include "ui/views/controls/button/image_button.h"
 
 #include <utility>
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_view_state.h"
@@ skipping 55 matching lines @@
      *image, *mask);
 }
 
 void ImageButton::SetImageAlignment(HorizontalAlignment h_align,
                                     VerticalAlignment v_align) {
   h_alignment_ = h_align;
   v_alignment_ = v_align;
   SchedulePaint();
 }
 
-void ImageButton::SetFocusPainter(scoped_ptr<Painter> focus_painter) {
+void ImageButton::SetFocusPainter(std::unique_ptr<Painter> focus_painter) {
   focus_painter_ = std::move(focus_painter);
 }
 
 void ImageButton::SetMinimumImageSize(const gfx::Size& size) {
   if (minimum_image_size_ == size)
     return;
 
   minimum_image_size_ = size;
   PreferredSizeChanged();
 }
@@ skipping 179 matching lines @@
   *tooltip = toggled_tooltip_text_;
   return true;
 }
 
 void ToggleImageButton::GetAccessibleState(ui::AXViewState* state) {
   ImageButton::GetAccessibleState(state);
   GetTooltipText(gfx::Point(), &state->name);
 }
 
 }  // namespace views