Open in Safari
This is a workflow for Alfred.
If Safari is either not open, or has no windows open, the workflow will post a notification saying so. If you'd like it to also post notifications when URLs are successfully sent to Chrome open the workflow folder (right click the workflow in Alfred and click Show in Finder) and edit the appropriate line in open_in_chrome.scpt (it's clearly marked). The reverse behaviour is also available (i.e.: sending URLs from Chrome to Safari).