Switch SupportsUserData uses to use unique_ptr.

chrome/browser/safe_browsing/incident_reporting/download_metadata_manager.cc

 // 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.
 
 #include "chrome/browser/safe_browsing/incident_reporting/download_metadata_manager.h"
 
 #include <limits.h>
 #include <stdint.h>
 
 #include <list>
@@ skipping 43 matching lines @@
 const base::FilePath::CharType kDownloadMetadataBasename[] =
     FILE_PATH_LITERAL("DownloadMetadata");
 
 
 // DownloadItemData ------------------------------------------------------------
 
 // A UserData object that holds the ClientDownloadRequest for a download while
 // it is in progress.
 class DownloadItemData : public base::SupportsUserData::Data {
  public:
+  ~DownloadItemData() override {}
+
   // Sets the ClientDownloadRequest for a given DownloadItem.
   static void SetRequestForDownload(
       content::DownloadItem* item,
       std::unique_ptr<ClientDownloadRequest> request);
 
   // Returns the ClientDownloadRequest for a download or null if there is none.
   static std::unique_ptr<ClientDownloadRequest> TakeRequestForDownload(
       content::DownloadItem* item);
 
  private:
   // A unique id for associating metadata with a content::DownloadItem.
   static const void* const kKey_;
 
   explicit DownloadItemData(std::unique_ptr<ClientDownloadRequest> request)
       : request_(std::move(request)) {}
-  ~DownloadItemData() override {}
 
   std::unique_ptr<ClientDownloadRequest> request_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemData);
 };
 
 // Make the key's value unique by setting it to its own location.
 // static
 const void* const DownloadItemData::kKey_ = &DownloadItemData::kKey_;
 
 // static
 void DownloadItemData::SetRequestForDownload(
     content::DownloadItem* item,
     std::unique_ptr<ClientDownloadRequest> request) {
-  item->SetUserData(&kKey_, new DownloadItemData(std::move(request)));
+  item->SetUserData(&kKey_,
+                    base::WrapUnique(new DownloadItemData(std::move(request))));
 }
 
 // static
 std::unique_ptr<ClientDownloadRequest> DownloadItemData::TakeRequestForDownload(
     content::DownloadItem* item) {
   DownloadItemData* data =
       static_cast<DownloadItemData*>(item->GetUserData(&kKey_));
   if (!data)
     return nullptr;
   std::unique_ptr<ClientDownloadRequest> request = std::move(data->request_);
@@ skipping 551 matching lines @@
 }
 
 void DownloadMetadataManager::ManagerContext::UpdateLastOpenedTime(
     const base::Time& last_opened_time) {
   download_metadata_->mutable_download()->set_open_time_msec(
       last_opened_time.ToJavaTime());
   WriteMetadata();
 }
 
 }  // namespace safe_browsing