Voice searching has been enabled on the New Tab page of Google Chrome Dev.
The feature, which has been available directly from Google’s homepage for a while, albeit with a slightly different look (scroll on down), is likely a prelude to the arrival of Google Now on Chrome.

Perhaps more interestingly it that the “searching” interface has been revamped to match that seen in Google Now:


For comparison, here’s how the voice search interface used to look on Google. You’ll notice that as well as ditching the mini-box, the microphone icon now matches that used on Android.

- Source: Zach Alcorn