overlay/overlay.go
func (p HighlightFrameParams) WithContentColor(contentColor *cdp.RGBA) *HighlightFrameParams {
	p.ContentColor = contentColor
	return &p
}
func (p HighlightFrameParams) WithContentColor(contentColor *cdp.RGBA) *HighlightFrameParams {
	p.ContentColor = contentColor
	return &p
}
// WithContentColor the content box highlight fill color (default:
// transparent).