Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/combobox/combobox.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/combobox/combobox.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 338 matching lines @@
       selected_index_(model_->GetDefaultIndex()),
       invalid_(false),
       menu_model_adapter_(new ComboboxMenuModelAdapter(this, model)),
       text_button_(new TransparentButton(this)),
       arrow_button_(new TransparentButton(this)),
       weak_ptr_factory_(this) {
   ModelChanged();
   SetFocusable(true);
   UpdateBorder();
   // set_background() takes ownership but takes a raw pointer.
-  scoped_ptr<Background> b = PlatformStyle::CreateComboboxBackground();
+  std::unique_ptr<Background> b = PlatformStyle::CreateComboboxBackground();
   set_background(b.release());
 
   // Initialize the button images.
   Button::ButtonState button_states[] = {
     Button::STATE_DISABLED,
     Button::STATE_NORMAL,
     Button::STATE_HOVERED,
     Button::STATE_PRESSED,
   };
   for (int i = 0; i < 2; i++) {
@@ skipping 323 matching lines @@
     ui::MenuSourceType source_type = ui::MENU_SOURCE_MOUSE;
     if (event.IsKeyEvent())
       source_type = ui::MENU_SOURCE_KEYBOARD;
     else if (event.IsGestureEvent() || event.IsTouchEvent())
       source_type = ui::MENU_SOURCE_TOUCH;
     ShowDropDownMenu(source_type);
   }
 }
 
 void Combobox::UpdateBorder() {
-  scoped_ptr<FocusableBorder> border(PlatformStyle::CreateComboboxBorder());
+  std::unique_ptr<FocusableBorder> border(
+      PlatformStyle::CreateComboboxBorder());
   if (style_ == STYLE_ACTION)
     border->SetInsets(5, 10, 5, 10);
   if (invalid_)
     border->SetColor(gfx::kGoogleRed700);
   SetBorder(std::move(border));
 }
 
 void Combobox::AdjustBoundsForRTLUI(gfx::Rect* rect) const {
   rect->set_x(GetMirroredXForRect(*rect));
 }
@@ skipping 201 matching lines @@
   return gfx::Size(width, font_list.GetHeight());
 }
 
 PrefixSelector* Combobox::GetPrefixSelector() {
   if (!selector_)
     selector_.reset(new PrefixSelector(this));
   return selector_.get();
 }
 
 }  // namespace views