What is the best way to determine a page's referrer within the context of a content script in a Chrome extension?   It looks possible to intercept requests' headers using the chrome.webRequest  module, but it would then take some book-keeping and message-passing in order to get it into the content script.   That approach feels kludgy. Is there a better way?
Cisco Certified Network Associate Exam,640-802 CCNA All Answers ~100/100. Daily update