pimp_my_tube/extension/manifest.json

{
 "manifest_version": 2,

 "name" : "Pimp My Tube",
 "description" : "Annoyed by Youtube displaying, this add on will help you clean up unwanted feeds",
 "version" : "0.0.1",
 "icons" : {
  "48" : "images/48_icon.png",
  "128" : "images/128_icon.png"
 },

 "browser_action" : {
  "default_icon" : {
   "18" : "images/19_icon.png",
   "38" : "images/38_icon.png"
  },
  "default_popup" : "view/popup.html"
 },

 "background" : {
 "page" : "view/background.html"
  },

  "content_scripts" : [{
      "matches" : ["https://www.youtube.com/feed/subscriptions"],
      "js" : ["js/notification.min.js"]
  }],

 "permissions" : [
  "tabs",
  "storage"
  ],

"web_accessible_resources": [
 "fonts/*",
 "images/*"
],

"options_ui": {
 "page": "view/options.html",
 "chrome_style": true
}
}