Chrome's deviations from the norm also include a decidedly different take on the Metro UI.

As others reported Monday -- including ZDNet blogger -- Google has seriously strayed from Microsoft's Metro design guidelines for Chrome, to the point where it puts up a desktop-like context-sensitive menu in lieu of the standard Metro app bar, and adds a full drop-down menu accessed by clicking on an icon in the upper right.

The preview of Chrome on Metro supports the Windows 8 'Snap' feature, but deviates from the usual Metro UI.

Both would presumably bounce Chrome from Metro if the browser was distributed through the Windows Store, rather than as it is dispensed, as part of a download package to the Windows 8 desktop.

Microsoft's -- which developers must follow to get the green light into the Windows Store -- specifically bans some of the things that the Chrome preview currently does.