manifest.json

{
  "manifest_version": 2,

  "name": "Automatic Wayback Archiver",
  "description": "This extension will automatically backup any webpages you're currently visiting into the wayback machine at web.archive.org",
  "version": "0.3",

  "browser_action": {
   "default_icon": "icon.png",
   "default_popup": "popup.html",
	 "onCompleted": ["eventPage.js"]
  },
  "permissions": [
   "activeTab",
	  "webNavigation",
	  "storage",
	  "tabs",
	  "http://*/",
	  "https://*/"
   ],
  "content_scripts": [{
  	"matches": ["<all_urls>"],
	"js": ["eventPage.js"],
	"run_at" : "document_end"
  }]
}