Chrome borrowed their webdev tools from Webkit, who borrowed them from KHTML. Chrome launched with dev tools, but they didn't develop their own distinct version of them for many years after launching the browser.
> Chrome borrowed their webdev tools from Webkit, who borrowed them from KHTML.
Neither KDE nor OS X ever shipped their built-in Web Inspector prior to the appearance of Firebug in 2006, and by that point WebKit and Safari were already in full swing. The very first iteration[1] of Web Inspector appeared around the same time as Firebug and was an original contribution by Apple; it wasn't borrowed from KHTML.
> Chrome borrowed their webdev tools from Webkit, who borrowed them from KHTML.
Neither KDE nor OS X ever shipped their built-in Web Inspector prior to the appearance of Firebug in 2006, and by that point WebKit and Safari were already in full swing. The very first iteration[1] of Web Inspector appeared around the same time as Firebug and was an original contribution by Apple; it wasn't borrowed from KHTML.
1. <https://web.archive.org/web/20070621162114/https://webkit.or...>