Verb "Googled" Not in Google's Spellchecker

It has been several years since the verb “to google” was added to the English dictionary. According to Wikipedia,
It was officially added to the Oxford English Dictionary on June 15, 2006, and to the eleventh edition of the Merriam-Webster Collegiate Dictionary in July 2006.
However, Gmail’s own spellchecker shows the word “googled” as a spelling error. Check out the following screenshots: