Convert //components/dom_distiller from scoped_ptr to std::unique_ptr

components/dom_distiller/core/article_attachments_data.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 COMPONENTS_DOM_DISTILLER_CORE_ARTICLE_ATTACHMENTS_DATA_H_
 #define COMPONENTS_DOM_DISTILLER_CORE_ARTICLE_ATTACHMENTS_DATA_H_
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "components/dom_distiller/core/proto/distilled_article.pb.h"
 #include "sync/api/attachments/attachment.h"
 #include "sync/protocol/article_specifics.pb.h"
 
 namespace dom_distiller {
 
 // When stored, article attachments are split into two pieces, the actual data
 // is stored by a set of ids in some attachment storage. The mapping of what
 // each id corresponds to is stored in the ArticleEntry's
 // sync_pb::ArticleAttachments.  This class handles splitting into those two
 // pieces (::CreateSyncAttachments) and reconstructing the data from the two
 // pieces (::GetFromAttachmentMap and ::GetAttachmentIds). Outside of this
 // class, the structure of sync_pb::ArticleAttachments (the id mapping) should
 // be rather opaque.
 class ArticleAttachmentsData {
  public:
-  static scoped_ptr<ArticleAttachmentsData> GetFromAttachmentMap(
+  static std::unique_ptr<ArticleAttachmentsData> GetFromAttachmentMap(
       const sync_pb::ArticleAttachments& attachments_key,
       const syncer::AttachmentMap& attachment_map);
 
   // Creates sync attachments and the sync_pb::ArticleAttachments id map.
   void CreateSyncAttachments(
       syncer::AttachmentList* attachment_list,
       sync_pb::ArticleAttachments* attachments_key) const;
 
   const DistilledArticleProto& distilled_article() const {
     return distilled_article_;
   }
   void set_distilled_article(const DistilledArticleProto& article) {
     distilled_article_ = article;
   }
 
   std::string ToString() const;
  private:
   DistilledArticleProto distilled_article_;
 };
 
 syncer::AttachmentIdList GetAttachmentIds(
     const sync_pb::ArticleAttachments& attachments);
 
 }  // namespace dom_distiller
 
 #endif  // COMPONENTS_DOM_DISTILLER_CORE_ARTICLE_ATTACHMENTS_DATA_H_