manifest.json

{
	"name" : "Facebook Redirect",
	"manifest_version": 2,
	"version": "1.1.0",
	"description" : "Automatically redirects you to your messages page whenever you bring up facebook.",
	"icons": {
		"16": "img/on.png",
		"48": "img/on.png",
		"128": "img/on.png"
	},
	"browser_action": {
		"default_icon": {
			"19": "img/on-19.png",
			"38": "img/on-38.png"
		},
		"default_title": "Facebook Redirect"
	},
	"background": {
		"scripts": ["background.js"],
		"persistent": true
	},
	"content_scripts" : [{
		"matches" : [
			"*://*.facebook.com/*",
			"*://*.messenger.com/*"
		],
		"js" : ["content.js"],
		"run_at" : "document_start"
	}],
	"permissions": [
		"storage",
		"tabs", 
		"activeTab", 
		"webNavigation",
		"webRequest",
		"<all_urls>"
	]
}