Replace scoped_ptr with std::unique_ptr in //ui

ui/base/cocoa/three_part_image_unittest.mm

 // Copyright 2015 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/base/cocoa/three_part_image.h"
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "testing/gtest_mac.h"
 #include "ui/base/resource/resource_bundle.h"
 #import "ui/gfx/test/ui_cocoa_test_helper.h"
 #include "ui/resources/grit/ui_resources.h"
 
 namespace ui {
 namespace test {
 
 TEST(ThreePartImageTest, GetRects) {
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
@@ skipping 41 matching lines @@
 
   // The corners are transparent.
   EXPECT_FALSE(image.HitTest(NSMakePoint(0, 0), bounds));
   EXPECT_FALSE(image.HitTest(NSMakePoint(0, 127), bounds));
   EXPECT_FALSE(image.HitTest(NSMakePoint(511, 0), bounds));
   EXPECT_FALSE(image.HitTest(NSMakePoint(511, 127), bounds));
 }
 
 }  // namespace test
 }  // namespace ui