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

chrome/browser/ui/app_list/arc/arc_app_icon_loader.h

 // Copyright (c) 2016 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_APP_LIST_ARC_ARC_APP_ICON_LOADER_H_
 #define CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_ICON_LOADER_H_
 
 #include <map>
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/app_icon_loader.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_icon.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 
 class Profile;
 
 class ArcAppIconLoader : public AppIconLoader,
                          public ArcAppListPrefs::Observer,
                          public ArcAppIcon::Observer {
  public:
@@ skipping 10 matching lines @@
 
   // Overrides ArcAppListPrefs::Observer:
   void OnAppReadyChanged(const std::string& id, bool ready) override;
   void OnAppIconUpdated(const std::string& id,
                         ui::ScaleFactor scale_factor) override;
 
   // Overrides ArcAppIcon::Observer:
   void OnIconUpdated(ArcAppIcon* icon) override;
 
  private:
-  using AppIDToIconMap = std::map<std::string, scoped_ptr<ArcAppIcon>>;
+  using AppIDToIconMap = std::map<std::string, std::unique_ptr<ArcAppIcon>>;
 
   // Unowned pointer.
   ArcAppListPrefs* arc_prefs_;
 
   AppIDToIconMap icon_map_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAppIconLoader);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_ICON_LOADER_H_