profiler/profiler.go
func (p *StartParams) Do(ctx context.Context) (err error) {
	return cdp.Execute(ctx, CommandStart, nil, nil)
}
func (p *StartParams) Do(ctx context.Context) (err error) {
	return cdp.Execute(ctx, CommandStart, nil, nil)
}
// Do executes Profiler.start against the provided context.