cairo/canvas.go
func (v *Context) PushGroupWithContent(content Content) {
	C.cairo_push_group_with_content(v.native(), C.cairo_content_t(content))
}
func (v *Context) PushGroupWithContent(content Content) {
	C.cairo_push_group_with_content(v.native(), C.cairo_content_t(content))
}
// PushGroupWithContent is a wrapper around cairo_push_group_with_content().