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

chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h

 // Copyright 2014 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_UI_ACCESSIBILITY_FOCUS_RING_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_UI_ACCESSIBILITY_FOCUS_RING_CONTROLLER_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 73 matching lines @@
   std::vector<AccessibilityFocusRing> previous_rings_;
   std::vector<AccessibilityFocusRing> rings_;
   ScopedVector<AccessibilityFocusRingLayer> layers_;
   base::TimeTicks focus_change_time_;
   ui::Compositor* compositor_;
 
   base::TimeTicks cursor_start_time_;
   base::TimeTicks cursor_change_time_;
   gfx::Point cursor_location_;
   float cursor_opacity_;
-  scoped_ptr<AccessibilityCursorRingLayer> cursor_layer_;
+  std::unique_ptr<AccessibilityCursorRingLayer> cursor_layer_;
   ui::Compositor* cursor_compositor_;
 
   gfx::Point caret_location_;
-  scoped_ptr<AccessibilityCursorRingLayer> caret_layer_;
+  std::unique_ptr<AccessibilityCursorRingLayer> caret_layer_;
 
   friend struct base::DefaultSingletonTraits<AccessibilityFocusRingController>;
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityFocusRingController);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_UI_ACCESSIBILITY_FOCUS_RING_CONTROLLER_H_