(Even the 'add to favorites' button is now there.) Notice that what this means is that all extension buttons are now going to appear all the time beside the address bar (unless you hide them in the hamburger menu), whether they used to have buttons or not.

Just right click the extension icon and select “Remove from The right of the URL bar, so you can easily remove anything you don’t Starting in this latest release, you’ll begin to see all extensions to Disappearance of icons from the address bar 'omnibox':.New appearance of Extension icons in the toolbar:.The Google Chrome team is unrepentant, because power users are of no interest to them. This breaks some popular extensions like the last.fm Scrobbler, ToS DR, Feedly Subscribe Button, and so forth. In addition, extensions that formerly placed icons in the location ('address') bar can no longer do so. The 'security' aspect is to protect naive users from unwanted extensions by showing them a bunch of icons that they may not recognize with the expectation that they will guess that they can right-click them and select 'Remove from Chrome.' With Chrome 48, for reasons of 'security,' icons for disabled extensions (and those that do not affect the current page) are now shown at all times, either to the right of the location ('address') bar or at the top of the hamburger menu.

Lastfm scrobbler chrome