Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/display/overscan_calibrator.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DISPLAY_OVERSCAN_CALIBRATOR_H_
 #define CHROME_BROWSER_CHROMEOS_DISPLAY_OVERSCAN_CALIBRATOR_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/compositor/layer_delegate.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace ui {
 class Layer;
 }
 
 namespace chromeos {
@@ skipping 32 matching lines @@
   // The current insets.
   gfx::Insets insets_;
 
   // The insets initially given. Stored so we can undo the insets later.
   gfx::Insets initial_insets_;
 
   // Whether the current insets are committed to the system or not.
   bool committed_;
 
   // The visualization layer for the current calibration region.
-  scoped_ptr<ui::Layer> calibration_layer_;
+  std::unique_ptr<ui::Layer> calibration_layer_;
 
   DISALLOW_COPY_AND_ASSIGN(OverscanCalibrator);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_DISPLAY_OVERSCAN_CALIBRATOR_H_