Stop passing raw pointers to DictionaryValue::Set, part 1

chrome/browser/extensions/api/file_system/file_system_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/file_system/file_system_api.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <set>
@@ skipping 276 matching lines @@
                               &string_path)) {
     path = base::FilePath::FromUTF8Unsafe(string_path);
   }
   return path;
 }
 
 void SetLastChooseEntryDirectory(ExtensionPrefs* prefs,
                                  const std::string& extension_id,
                                  const base::FilePath& path) {
   prefs->UpdateExtensionPref(extension_id, kLastChooseEntryDirectory,
-                             base::WrapUnique(base::CreateFilePathValue(path)));
+                             base::CreateFilePathValue(path));
 }
 
 #if defined(OS_CHROMEOS)
 void DispatchVolumeListChangeEvent(Profile* profile) {
   DCHECK(profile);
   EventRouter* const event_router = EventRouter::Get(profile);
   if (!event_router)  // Possible on shutdown.
     return;
 
   ExtensionRegistry* const registry = ExtensionRegistry::Get(profile);
@@ skipping 1126 matching lines @@
     return RespondNow(Error(kNotSupportedOnNonKioskSessionError));
   std::vector<api::file_system::Volume> result_volume_list;
   FillVolumeList(chrome_details_.GetProfile(), &result_volume_list);
 
   return RespondNow(ArgumentList(
       api::file_system::GetVolumeList::Results::Create(result_volume_list)));
 }
 #endif
 
 }  // namespace extensions