Replace scoped_ptr with std::unique_ptr in //ui

ui/display/manager/display_layout.h

 // 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.
 
 #ifndef UI_DISPLAY_MANAGER_DISPLAY_LAYOUT_H_
 #define UI_DISPLAY_MANAGER_DISPLAY_LAYOUT_H_
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_piece.h"
 #include "ui/display/display_export.h"
 
 namespace base {
 class Value;
 template <typename T> class JSONValueConverter;
 }
 
 namespace gfx {
 class Display;
@@ skipping 68 matching lines @@
 
   // True if displays are mirrored.
   bool mirrored;
 
   // True if multi displays should default to unified mode.
   bool default_unified;
 
   // The id of the display used as a primary display.
   int64_t primary_id;
 
-  scoped_ptr<DisplayLayout> Copy() const;
+  std::unique_ptr<DisplayLayout> Copy() const;
 
   // Test if the |layout| has the same placement list. Other fields such
   // as mirrored, primary_id are ignored.
   bool HasSamePlacementList(const DisplayLayout& layout) const;
 
   // Returns string representation of the layout for debugging/testing.
   std::string ToString() const;
 
   // Returns the DisplayPlacement entry matching |display_id| if it exists,
   // otherwise returns a DisplayPlacement with an invalid display id.
   DisplayPlacement FindPlacementById(int64_t display_id) const;
 
  private:
   // Apply the display placement to |display_list|.
   // Returns true if the display bounds were updated.
   static bool ApplyDisplayPlacement(const DisplayPlacement& placement,
                                     DisplayList* display_list,
                                     int minimum_offset_overlap);
 
   DISALLOW_COPY_AND_ASSIGN(DisplayLayout);
 };
 
 }  // namespace display
 
 #endif  // UI_DISPLAY_MANAGER_DISPLAY_LAYOUT_H_