Replace scoped_ptr with std::unique_ptr in //ui

ui/display/manager/display_layout_builder_unittest.cc

 // Copyright 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.
 
 #include "ui/display/manager/display_layout_builder.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace display {
 
 TEST(DisplayLayoutBuilderTest, SecondaryPlacement) {
   DisplayLayoutBuilder builder(1);
   builder.SetSecondaryPlacement(2, DisplayPlacement::LEFT, 30);
-  scoped_ptr<DisplayLayout> layout(builder.Build());
+  std::unique_ptr<DisplayLayout> layout(builder.Build());
   ASSERT_EQ(1u, layout->placement_list.size());
 
   EXPECT_EQ(2, layout->placement_list[0].display_id);
   EXPECT_EQ(1, layout->placement_list[0].parent_display_id);
   EXPECT_EQ(30, layout->placement_list[0].offset);
   EXPECT_EQ(DisplayPlacement::LEFT, layout->placement_list[0].position);
 }
 
 TEST(DisplayLayoutBuilderTest, MultiplePlacement) {
   DisplayLayoutBuilder builder(1);
   builder.AddDisplayPlacement(5, 1, DisplayPlacement::TOP, 30);
   builder.AddDisplayPlacement(3, 5, DisplayPlacement::LEFT, 20);
   builder.AddDisplayPlacement(4, 5, DisplayPlacement::RIGHT, 10);
-  scoped_ptr<DisplayLayout> layout(builder.Build());
+  std::unique_ptr<DisplayLayout> layout(builder.Build());
 
   ASSERT_EQ(3u, layout->placement_list.size());
 
   // placmenets are sorted by display_id.
   EXPECT_EQ(3, layout->placement_list[0].display_id);
   EXPECT_EQ(5, layout->placement_list[0].parent_display_id);
   EXPECT_EQ(20, layout->placement_list[0].offset);
   EXPECT_EQ(DisplayPlacement::LEFT, layout->placement_list[0].position);
 
   EXPECT_EQ(4, layout->placement_list[1].display_id);
   EXPECT_EQ(5, layout->placement_list[1].parent_display_id);
   EXPECT_EQ(10, layout->placement_list[1].offset);
   EXPECT_EQ(DisplayPlacement::RIGHT, layout->placement_list[1].position);
 
   EXPECT_EQ(5, layout->placement_list[2].display_id);
   EXPECT_EQ(1, layout->placement_list[2].parent_display_id);
   EXPECT_EQ(30, layout->placement_list[2].offset);
   EXPECT_EQ(DisplayPlacement::TOP, layout->placement_list[2].position);
 }
 
 }  // namespace display