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

chrome/browser/extensions/api/media_galleries/media_galleries_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.
 
 // Implements the Chrome Extensions Media Galleries API.
 
 #include "chrome/browser/extensions/api/media_galleries/media_galleries_api.h"
 
 #include <stddef.h>
 
@@ skipping 168 matching lines @@
       file_system_dict_value->SetStringWithoutPathExpansion(
           kDeviceIdKey, filesystems[i].transient_device_id);
     }
     file_system_dict_value->SetBooleanWithoutPathExpansion(
         kIsRemovableKey, filesystems[i].removable);
     file_system_dict_value->SetBooleanWithoutPathExpansion(
         kIsMediaDeviceKey, filesystems[i].media_device);
     file_system_dict_value->SetBooleanWithoutPathExpansion(
         kIsAvailableKey, true);
 
-    list->Append(file_system_dict_value.release());
+    list->Append(std::move(file_system_dict_value));
 
     if (filesystems[i].path.empty())
       continue;
 
     if (has_read_permission) {
       content::ChildProcessSecurityPolicy* policy =
           content::ChildProcessSecurityPolicy::GetInstance();
       policy->GrantReadFile(child_id, filesystems[i].path);
       if (has_delete_permission) {
         policy->GrantDeleteFrom(child_id, filesystems[i].path);
@@ skipping 670 matching lines @@
     SendResponse(false);
     return;
   }
 
   gallery_watch_manager()->RemoveWatch(
       GetProfile(), extension_id(), gallery_pref_id);
   SendResponse(true);
 }
 
 }  // namespace extensions