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

ash/display/window_tree_host_manager.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/window_tree_host_manager.h"
 
 #include <algorithm>
 #include <cmath>
 #include <map>
 #include <utility>
@@ skipping 427 matching lines @@
   window_tree_hosts_[old_primary_display.id()] = non_primary_host;
   GetRootWindowSettings(GetWindow(non_primary_host))->display_id =
       old_primary_display.id();
 
   const DisplayLayout& layout = GetDisplayManager()->GetCurrentDisplayLayout();
   // The requested primary id can be same as one in the stored layout
   // when the primary id is set after new displays are connected.
   // Only update the layout if it is requested to swap primary display.
   if (layout.primary_id != new_primary_display.id()) {
     scoped_ptr<DisplayLayout> swapped_layout(layout.Copy());
-    swapped_layout->placement_list[0]->Swap();
+    swapped_layout->placement_list[0].Swap();
     swapped_layout->primary_id = new_primary_display.id();
     DisplayIdList list = display_manager->GetCurrentDisplayIdList();
     GetDisplayManager()->layout_store()->RegisterLayoutForDisplayIdList(
         list, std::move(swapped_layout));
   }
 
   primary_display_id = new_primary_display.id();
 
   UpdateWorkAreaOfDisplayNearestWindow(GetWindow(primary_host),
                                        old_primary_display.GetWorkAreaInsets());
@@ skipping 370 matching lines @@
   SetDisplayPropertiesOnHost(ash_host, display);
 
 #if defined(OS_CHROMEOS)
   if (switches::ConstrainPointerToRoot())
     ash_host->ConfineCursorToRootWindow();
 #endif
   return ash_host;
 }
 
 }  // namespace ash