base::ListValue::Append cleanup: pass unique_ptr instead of the released pointer.

chrome/browser/extensions/api/downloads/downloads_api.cc

 // 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.
 
 #include "chrome/browser/extensions/api/downloads/downloads_api.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <memory>
 #include <set>
@@ skipping 1085 matching lines @@
   std::unique_ptr<base::ListValue> json_results(new base::ListValue());
   for (DownloadManager::DownloadVector::const_iterator it = results.begin();
        it != results.end(); ++it) {
     DownloadItem* download_item = *it;
     uint32_t download_id = download_item->GetId();
     bool off_record = ((incognito_manager != NULL) &&
                        (incognito_manager->GetDownload(download_id) != NULL));
     std::unique_ptr<base::DictionaryValue> json_item(DownloadItemToJSON(
         *it, off_record ? GetProfile()->GetOffTheRecordProfile()
                         : GetProfile()->GetOriginalProfile()));
-    json_results->Append(json_item.release());
+    json_results->Append(std::move(json_item));
   }
   SetResult(std::move(json_results));
   RecordApiFunctions(DOWNLOADS_FUNCTION_SEARCH);
   return true;
 }
 
 DownloadsPauseFunction::DownloadsPauseFunction() {}
 
 DownloadsPauseFunction::~DownloadsPauseFunction() {}
 
@@ skipping 785 matching lines @@
     return;
   base::Time now(base::Time::Now());
   int delta = now.ToTimeT() - last_checked_removal_.ToTimeT();
   if (delta <= kFileExistenceRateLimitSeconds)
     return;
   last_checked_removal_ = now;
   manager->CheckForHistoryFilesRemoval();
 }
 
 }  // namespace extensions