mount method
Mounts a file system with the given fileSystemId and
displayName. displayName will be shown in the
left panel of the Files app. displayName can contain any
characters including '/', but cannot be an empty string.
displayName must be descriptive but doesn't have to be
unique. The fileSystemId must not be an empty string.
Depending on the type of the file system being mounted, the
source option must be set appropriately.
In case of an error, runtime.lastError will be set with a
corresponding error code.
Implementation
Future<void> mount(MountOptions options) async {
await promiseToFuture<void>(
$js.chrome.fileSystemProvider.mount(options.toJS));
}