RevokeImportedFilesystemOnUIThread   54 chrome/browser/media_galleries/imported_media_gallery_registry.h   bool RevokeImportedFilesystemOnUIThread(const std::string& fs_name);
RevokeImportedFilesystemOnUIThread  644 chrome/browser/media_galleries/media_file_system_registry.cc     if (imported_registry->RevokeImportedFilesystemOnUIThread(fs_name))