tracing/tracing.go
func (p *EndParams) Do(ctx context.Context) (err error) {
	return cdp.Execute(ctx, CommandEnd, nil, nil)
}
func (p *EndParams) Do(ctx context.Context) (err error) {
	return cdp.Execute(ctx, CommandEnd, nil, nil)
}
// Do executes Tracing.end against the provided context.