Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/views/toolbar/app_menu_button.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 "chrome/browser/ui/views/toolbar/app_menu_button.h"
 
 #include "base/location.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 155 matching lines @@
   const int inset = LabelButton::kFocusRectInset;
   SetFocusPainter(views::Painter::CreateDashedFocusPainterWithInsets(
       gfx::Insets(inset, inset, inset, inset + margin)));
   InvalidateLayout();
 }
 
 const char* AppMenuButton::GetClassName() const {
   return "AppMenuButton";
 }
 
-scoped_ptr<views::LabelButtonBorder> AppMenuButton::CreateDefaultBorder()
+std::unique_ptr<views::LabelButtonBorder> AppMenuButton::CreateDefaultBorder()
     const {
-  scoped_ptr<views::LabelButtonBorder> border =
+  std::unique_ptr<views::LabelButtonBorder> border =
       MenuButton::CreateDefaultBorder();
 
   // Adjust border insets to follow the margin change,
   // which will be reflected in where the border is painted
   // through GetThemePaintRect().
   gfx::Insets insets(border->GetInsets());
   insets += gfx::Insets(0, 0, 0, margin_trailing_);
   border->set_insets(insets);
 
   return border;
@@ skipping 58 matching lines @@
   views::MenuButton::OnPaint(canvas);
   if (ui::MaterialDesignController::IsModeMaterial())
     return;
   // Use GetPreferredSize() to center the icon inside the visible bounds rather
   // than the whole size() (which may refer to hit test region extended to the
   // end of the toolbar in maximized mode).
   icon_painter_->Paint(canvas, GetThemeProvider(),
                        gfx::Rect(GetPreferredSize()),
                        AppMenuIconPainter::BEZEL_NONE);
 }