Replace scoped_ptr with std::unique_ptr in //ui

ui/app_list/folder_image_unittest.cc

 // Copyright 2014 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/app_list/folder_image.h"
 
 #include <string>
 #include <utility>
 
 #include "base/macros.h"
@@ skipping 56 matching lines @@
     AddAppWithColoredIcon("app3", SK_ColorBLUE);
 
     observer_.Reset();
     folder_image_.AddObserver(&observer_);
   }
 
   void TearDown() override { folder_image_.RemoveObserver(&observer_); }
 
  protected:
   void AddAppWithColoredIcon(const std::string& id, SkColor icon_color) {
-    scoped_ptr<AppListItem> item(new AppListItem(id));
+    std::unique_ptr<AppListItem> item(new AppListItem(id));
     item->SetIcon(CreateSquareBitmapWithColor(kListIconSize, icon_color));
     app_list_model_.AddItem(std::move(item));
   }
 
   AppListModel app_list_model_;
 
   FolderImage folder_image_;
 
   TestFolderImageObserver observer_;
 
@@ skipping 51 matching lines @@
 
   // Change an item's icon. Ensure that the observer fired and the icon changed.
   app_list_model_.FindItem("app2")
       ->SetIcon(CreateSquareBitmapWithColor(kListIconSize, SK_ColorMAGENTA));
   EXPECT_TRUE(observer_.updated());
   observer_.Reset();
   EXPECT_FALSE(ImagesAreEqual(icon1, folder_image_.icon()));
 }
 
 }  // namespace app_list