Convert //ash from scoped_ptr to std::unique_ptr

ash/system/tray/tray_details_view.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 "ash/system/tray/tray_details_view.h"
 
 #include "ash/system/tray/fixed_sized_scroll_view.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_item.h"
 #include "ash/system/tray/tray_constants.h"
@@ skipping 73 matching lines @@
 void TrayDetailsView::CreateScrollableList() {
   DCHECK(!scroller_);
   scroll_content_ = new views::View;
   scroll_content_->SetLayoutManager(new views::BoxLayout(
       views::BoxLayout::kVertical, 0, 0, 1));
   scroller_ = new FixedSizedScrollView;
   scroller_->SetContentsView(scroll_content_);
 
   // Note: |scroller_| takes ownership of |scroll_border_|.
   scroll_border_ = new ScrollBorder;
-  scroller_->SetBorder(scoped_ptr<views::Border>(scroll_border_));
+  scroller_->SetBorder(std::unique_ptr<views::Border>(scroll_border_));
 
   AddChildView(scroller_);
 }
 
 void TrayDetailsView::AddScrollSeparator() {
   DCHECK(scroll_content_);
   // Do not draw the separator if it is the very first item
   // in the scrollable list.
   if (scroll_content_->has_children())
     scroll_content_->AddChildView(new ScrollSeparator);
@@ skipping 50 matching lines @@
     if (index < child_count() - 1 && child_at(index + 1) != footer_)
       scroll_border_->set_visible(true);
     else
       scroll_border_->set_visible(false);
   }
 
   views::View::OnPaintBorder(canvas);
 }
 
 }  // namespace ash