As you have no doubt noticed, the websites you visit can be a hotbed of deception, flim-flammery and general shenanigans. In short, it can be a jungle out there; with spurious buttons and links designed to mislead and cause you to venture into shady areas and possible problems - such as those buttons that tell you you "need to update" your video player to view such-and-such.
Well Google is expanding their "Safe Browsing" feature in the Chrome browser to include those sorts of deceptive page elements, as well as other social engineering attacks (i.e. tricking you).
The company says the content that will trigger the warning includes anything that tries "to act, or look and feel, like a trusted entity," or that attempts to "trick you into doing something you’d only do for a trusted entity.The Verge