Convert ScopedVector<DisplayPlacement> to std::vector<DisplayPlacement>

ash/display/display_manager_unittest.cc

 // Copyright (c) 2012 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 "ash/display/display_manager.h"
 
 #include "ash/accelerators/accelerator_commands.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_info.h"
 #include "ash/display/display_layout_builder.h"
@@ skipping 2185 matching lines @@
 
   EXPECT_EQ(good->ToString(),
             layout_store->GetRegisteredDisplayLayout(good_list).ToString());
 }
 
 TEST_F(DisplayManagerTest, GuessDisplayIdFieldsInDisplayLayout) {
   int64_t id1 = 10001;
   int64_t id2 = 10002;
 
   scoped_ptr<DisplayLayout> old_layout(new DisplayLayout);
-  old_layout->placement_list.push_back(
-      new DisplayPlacement(DisplayPlacement::BOTTOM, 0));
+  old_layout->placement_list.emplace_back(DisplayPlacement::BOTTOM, 0);
   old_layout->primary_id = id1;
 
   DisplayLayoutStore* layout_store = display_manager()->layout_store();
   DisplayIdList list = test::CreateDisplayIdList2(id1, id2);
   layout_store->RegisterLayoutForDisplayIdList(list, std::move(old_layout));
   const DisplayLayout& stored = layout_store->GetRegisteredDisplayLayout(list);
 
-  EXPECT_EQ(id1, stored.placement_list[0]->parent_display_id);
-  EXPECT_EQ(id2, stored.placement_list[0]->display_id);
+  EXPECT_EQ(id1, stored.placement_list[0].parent_display_id);
+  EXPECT_EQ(id2, stored.placement_list[0].display_id);
 }
 
 #endif  // OS_CHROMEOS
 
 }  // namespace ash