Replace scoped_ptr with std::unique_ptr in //ui

ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.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 UI_EVENTS_OZONE_LAYOUT_XKB_XKB_KEYBOARD_LAYOUT_ENGINE_H_
 #define UI_EVENTS_OZONE_LAYOUT_XKB_XKB_KEYBOARD_LAYOUT_ENGINE_H_
 
 #include <stdint.h>
 #include <xkbcommon/xkbcommon.h>
 
+#include <memory>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/memory/free_deleter.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "base/task_runner.h"
 #include "ui/events/keycodes/scoped_xkb.h"
 #include "ui/events/ozone/layout/events_ozone_layout_export.h"
 #include "ui/events/ozone/layout/keyboard_layout_engine.h"
 #include "ui/events/ozone/layout/xkb/xkb_key_code_converter.h"
 
 namespace ui {
 
@@ skipping 69 matching lines @@
   // Helper for difficult VKEY lookup. If |ui_flags| matches |base_flags|,
   // returns |base_character|; otherwise returns the XKB character for
   // the keycode and mapped |ui_flags|.
   base::char16 XkbSubCharacter(xkb_keycode_t xkb_keycode,
                                xkb_mod_mask_t base_flags,
                                base::char16 base_character,
                                int ui_flags) const;
 
   // Callback when keymap file is loaded complete.
   void OnKeymapLoaded(const std::string& layout_name,
-                      scoped_ptr<char, base::FreeDeleter> keymap_str);
+                      std::unique_ptr<char, base::FreeDeleter> keymap_str);
 
   // libxkbcommon uses explicit reference counting for its structures,
   // so we need to trigger its cleanup.
-  scoped_ptr<xkb_context, XkbContextDeleter> xkb_context_;
-  scoped_ptr<xkb_state, XkbStateDeleter> xkb_state_;
+  std::unique_ptr<xkb_context, XkbContextDeleter> xkb_context_;
+  std::unique_ptr<xkb_state, XkbStateDeleter> xkb_state_;
 
   std::string current_layout_name_;
 
   // Support weak pointers for attach & detach callbacks.
   base::WeakPtrFactory<XkbKeyboardLayoutEngine> weak_ptr_factory_;
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_LAYOUT_XKB_XKB_KEYBOARD_LAYOUT_ENGINE_H_