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

chrome/browser/ui/translate/language_combobox_model.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_TRANSLATE_LANGUAGE_COMBOBOX_MODEL_H_
 #define CHROME_BROWSER_UI_TRANSLATE_LANGUAGE_COMBOBOX_MODEL_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "ui/base/models/combobox_model.h"
 
 class TranslateBubbleModel;
 
 // The model for the combobox to select a language. This is used for Translate
 // user interface to select language.
 class LanguageComboboxModel : public ui::ComboboxModel {
  public:
   LanguageComboboxModel(int default_index,
                         TranslateBubbleModel* model);
   ~LanguageComboboxModel() override;
 
   // Overridden from ui::ComboboxModel:
   int GetItemCount() const override;
   base::string16 GetItemAt(int index) override;
   int GetDefaultIndex() const override;
 
  private:
   const int default_index_;
   TranslateBubbleModel* model_;
 
   DISALLOW_COPY_AND_ASSIGN(LanguageComboboxModel);
 };
 
 #endif  // CHROME_BROWSER_UI_TRANSLATE_LANGUAGE_COMBOBOX_MODEL_H_