Replace scoped_ptr with std::unique_ptr in //ui

ui/keyboard/content/keyboard_ui_content.h

 // Copyright 2015 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_KEYBOARD_CONTENT_KEYBOARD_UI_CONTENT_H_
 #define UI_KEYBOARD_CONTENT_KEYBOARD_UI_CONTENT_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "content/public/common/media_stream_request.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/keyboard/keyboard_export.h"
 #include "ui/keyboard/keyboard_ui.h"
 
 namespace aura {
 class Window;
 }
 namespace content {
@@ skipping 91 matching lines @@
   // position while the keyboard is displayed. Any window repositioning
   // invalidates insets for overscrolling.
   void AddBoundsChangedObserver(aura::Window* window);
 
   // The BrowserContext to use for creating the WebContents hosting the
   // keyboard.
   content::BrowserContext* browser_context_;
 
   const GURL default_url_;
 
-  scoped_ptr<content::WebContents> keyboard_contents_;
-  scoped_ptr<wm::Shadow> shadow_;
+  std::unique_ptr<content::WebContents> keyboard_contents_;
+  std::unique_ptr<wm::Shadow> shadow_;
 
-  scoped_ptr<WindowBoundsChangeObserver> window_bounds_observer_;
+  std::unique_ptr<WindowBoundsChangeObserver> window_bounds_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardUIContent);
 };
 
 }  // namespace keyboard
 
 #endif  // UI_KEYBOARD_CONTENT_KEYBOARD_UI_CONTENT_H_