OMGCHROME.COM - Chrome Drops Notification Center from Windows, Mac and Linux - OMG! Chrome!
"Google is not ditching notifications entirely. Rich notifications sent from apps, websites and extensions will be shown as they are today, as pop-up toasts on the desktop.
But dropping the notification centre means there won’t be a place for those alerts to wait until a user is ready to ‘act on them’.
Furthermore, losing the Notification Center also means no-more Google Now cards for desktop users (at least, until the new app launcher is implemented)."
Read full post on Chromium Blog: Chromium Blog: Streamlining Notifications on Desktop
"Google is not ditching notifications entirely. Rich notifications sent from apps, websites and extensions will be shown as they are today, as pop-up toasts on the desktop.
But dropping the notification centre means there won’t be a place for those alerts to wait until a user is ready to ‘act on them’.
Furthermore, losing the Notification Center also means no-more Google Now cards for desktop users (at least, until the new app launcher is implemented)."

"However, in practice, few users visit the notification center. To keep Chrome simple, it will be removed from Windows, Mac, and Linux in the upcoming release. The notification center on Chrome OS will remain unchanged."
Read full post on Chromium Blog: Chromium Blog: Streamlining Notifications on Desktop