Replace scoped_ptr with std::unique_ptr in //ui

ui/base/clipboard/clipboard_win.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_BASE_CLIPBOARD_CLIPBOARD_WIN_H_
 #define UI_BASE_CLIPBOARD_CLIPBOARD_WIN_H_
 
-#include "ui/base/clipboard/clipboard.h"
-
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
+#include "ui/base/clipboard/clipboard.h"
 
 namespace ui {
 
 class ClipboardWin : public Clipboard {
  private:
   friend class Clipboard;
 
   ClipboardWin();
   ~ClipboardWin() override;
 
@@ skipping 39 matching lines @@
   void WriteBitmapFromHandle(HBITMAP source_hbitmap, const gfx::Size& size);
 
   // Safely write to system clipboard. Free |handle| on failure.
   void WriteToClipboard(unsigned int format, HANDLE handle);
 
   // Return the window that should be the clipboard owner, creating it
   // if neccessary.  Marked const for lazily initialization by const methods.
   HWND GetClipboardWindow() const;
 
   // Mark this as mutable so const methods can still do lazy initialization.
-  mutable scoped_ptr<base::win::MessageWindow> clipboard_owner_;
+  mutable std::unique_ptr<base::win::MessageWindow> clipboard_owner_;
 
   DISALLOW_COPY_AND_ASSIGN(ClipboardWin);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_CLIPBOARD_CLIPBOARD_WIN_H_