Convert //ash from scoped_ptr to std::unique_ptr

ash/system/tray/tray_bar_button_with_title.cc

 // Copyright 2013 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 "ash/system/tray/tray_bar_button_with_title.h"
 
+#include <memory>
+
 #include "ash/system/tray/tray_constants.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/painter.h"
 #include "ui/views/resources/grit/views_resources.h"
 
 namespace ash {
 namespace {
 
@@ skipping 28 matching lines @@
 
   void Update(bool control_on) {
     painter_.reset(new views::HorizontalPainter(
         control_on ? bar_active_images_ : bar_disabled_images_));
     SchedulePaint();
   }
 
  private:
   const int* bar_active_images_;
   const int* bar_disabled_images_;
-  scoped_ptr<views::HorizontalPainter> painter_;
+  std::unique_ptr<views::HorizontalPainter> painter_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayBarButton);
 };
 
 TrayBarButtonWithTitle::TrayBarButtonWithTitle(views::ButtonListener* listener,
                                                int title_id,
                                                int width)
     : views::CustomButton(listener),
       image_(new TrayBarButton(kBarImagesActive, kBarImagesDisabled)),
       title_(NULL),
@@ skipping 34 matching lines @@
     // a little bit up to look closer to the bar.
     gfx::Size title_size = title_->GetPreferredSize();
     title_->SetBounds(rect.x(),
                       bar_image_y + image_height_ - 3,
                       rect.width(),
                       title_size.height());
   }
 }
 
 }  // namespace ash