Replace scoped_ptr with std::unique_ptr in //ui

ui/aura/input_state_lookup.h

 // Copyright 2013 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_AURA_INPUT_STATE_LOOKUP_H_
 #define UI_AURA_INPUT_STATE_LOOKUP_H_
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "ui/aura/aura_export.h"
 
 namespace aura {
 
 // InputStateLookup is used to obtain the state of input devices.
 class AURA_EXPORT InputStateLookup {
  public:
   virtual ~InputStateLookup() {}
 
   // Creates the platform specific InputStateLookup. May return NULL.
-  static scoped_ptr<InputStateLookup> Create();
+  static std::unique_ptr<InputStateLookup> Create();
 
   // Returns true if any mouse button is down.
   virtual bool IsMouseButtonDown() const = 0;
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_INPUT_STATE_LOOKUP_H_