Convert //printing to use std::unique_ptr

printing/printed_document.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_PRINTED_DOCUMENT_H_
 #define PRINTING_PRINTED_DOCUMENT_H_
 
 #include <map>
+#include <memory>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/synchronization/lock.h"
 #include "printing/print_settings.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace base {
 class RefCountedMemory;
 class TaskRunner;
 }
 
@@ skipping 16 matching lines @@
   // The cookie shall be unique and has a specific relationship with its
   // originating source and settings.
   PrintedDocument(const PrintSettings& settings,
                   PrintedPagesSource* source,
                   int cookie,
                   base::TaskRunner* blocking_runner);
 
   // Sets a page's data. 0-based. Takes metafile ownership.
   // Note: locks for a short amount of time.
   void SetPage(int page_number,
-               scoped_ptr<MetafilePlayer> metafile,
+               std::unique_ptr<MetafilePlayer> metafile,
 #if defined(OS_WIN)
                float shrink,
 #endif  // OS_WIN
                const gfx::Size& paper_size,
                const gfx::Rect& page_rect);
 
   // Retrieves a page. If the page is not available right now, it
   // requests to have this page be rendered and returns NULL.
   // Note: locks for a short amount of time.
   scoped_refptr<PrintedPage> GetPage(int page_number);
@@ skipping 124 matching lines @@
 
   // All the immutable members.
   const Immutable immutable_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintedDocument);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINTED_DOCUMENT_H_