Convert //printing to use std::unique_ptr

printing/backend/win_helper.h

 // Copyright (c) 2012 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 PRINTING_BACKEND_WIN_HELPER_H_
 #define PRINTING_BACKEND_WIN_HELPER_H_
 
 #include <objidl.h>
 #include <prntvpt.h>
 #include <winspool.h>
 #include <xpsprint.h>
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/free_deleter.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/win/scoped_handle.h"
 #include "printing/printing_export.h"
 
 // These are helper functions for dealing with Windows Printing.
 namespace printing {
 
 struct PRINTING_EXPORT PrinterBasicInfo;
 
 class PrinterHandleTraits {
@@ skipping 137 matching lines @@
  private:
   XPSPrintModule() { }
   static bool InitImpl();
 };
 
 PRINTING_EXPORT bool InitBasicPrinterInfo(HANDLE printer,
                                           PrinterBasicInfo* printer_info);
 
 PRINTING_EXPORT std::string GetDriverInfo(HANDLE printer);
 
-PRINTING_EXPORT scoped_ptr<DEVMODE, base::FreeDeleter> XpsTicketToDevMode(
+PRINTING_EXPORT std::unique_ptr<DEVMODE, base::FreeDeleter> XpsTicketToDevMode(
     const base::string16& printer_name,
     const std::string& print_ticket);
 
 // Creates default DEVMODE and sets color option. Some devices need special
 // workaround for color.
-PRINTING_EXPORT scoped_ptr<DEVMODE, base::FreeDeleter> CreateDevModeWithColor(
-    HANDLE printer,
-    const base::string16& printer_name,
-    bool color);
+PRINTING_EXPORT std::unique_ptr<DEVMODE, base::FreeDeleter>
+CreateDevModeWithColor(HANDLE printer,
+                       const base::string16& printer_name,
+                       bool color);
 
 // Creates new DEVMODE. If |in| is not NULL copy settings from there.
-PRINTING_EXPORT scoped_ptr<DEVMODE, base::FreeDeleter> CreateDevMode(
+PRINTING_EXPORT std::unique_ptr<DEVMODE, base::FreeDeleter> CreateDevMode(
     HANDLE printer,
     DEVMODE* in);
 
 // Prompts for new DEVMODE. If |in| is not NULL copy settings from there.
-PRINTING_EXPORT scoped_ptr<DEVMODE, base::FreeDeleter> PromptDevMode(
+PRINTING_EXPORT std::unique_ptr<DEVMODE, base::FreeDeleter> PromptDevMode(
     HANDLE printer,
     const base::string16& printer_name,
     DEVMODE* in,
     HWND window,
     bool* canceled);
 
 }  // namespace printing
 
 #endif  // PRINTING_BACKEND_WIN_HELPER_H_