Replace scoped_ptr with std::unique_ptr in //ui

ui/display/manager/display_layout_builder.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_BUILDER_H_
 #define UI_DISPLAY_MANAGER_DISPLAY_LAYOUT_BUILDER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/display/display_export.h"
 #include "ui/display/manager/display_layout.h"
 
 namespace display {
 
 class DisplayLayout;
 
 // A utility class to create a DisplayLayout instance.
 class DISPLAY_EXPORT DisplayLayoutBuilder final {
  public:
@@ skipping 17 matching lines @@
                                             DisplayPlacement::Position position,
                                             int offset);
 
   // Sets the display placement for the secondary display.
   DisplayLayoutBuilder& SetSecondaryPlacement(
       int64_t secondary_id,
       DisplayPlacement::Position position,
       int offset);
 
   // Returns the DisplayLayout. After this call, the builder becomes invalid.
-  scoped_ptr<DisplayLayout> Build();
+  std::unique_ptr<DisplayLayout> Build();
 
  private:
-  scoped_ptr<DisplayLayout> layout_;
+  std::unique_ptr<DisplayLayout> layout_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayLayoutBuilder);
 };
 
 }  // namespace display
 
 #endif  // UI_DISPLAY_MANAGER_DISPLAY_LAYOUT_BUILDER_H_