Stop passing raw pointers to base::Value API in c/b/chromeos and c/b/extensions

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 567 matching lines @@
   int index = -1;
   if (pref_id != kInvalidMediaGalleryPrefId) {
     for (size_t i = 0; i < filesystems.size(); ++i) {
       if (filesystems[i].pref_id == pref_id) {
         index = i;
         break;
       }
     }
   }
   std::unique_ptr<base::DictionaryValue> results(new base::DictionaryValue);
-  results->SetWithoutPathExpansion("mediaFileSystems", list.release());
+  results->SetWithoutPathExpansion("mediaFileSystems", std::move(list));
   results->SetIntegerWithoutPathExpansion("selectedFileSystemIndex", index);
   SetResult(std::move(results));
   SendResponse(true);
 }
 
 void
 MediaGalleriesAddUserSelectedFolderFunction::GetMediaFileSystemsForExtension(
     const MediaFileSystemsCallback& cb) {
   if (!render_frame_host()) {
     cb.Run(std::vector<MediaFileSystemInfo>());
@@ skipping 308 matching lines @@
     SendResponse(false);
     return;
   }
 
   gallery_watch_manager()->RemoveWatch(
       GetProfile(), extension_id(), gallery_pref_id);
   SendResponse(true);
 }
 
 }  // namespace extensions