Examine source code of Oddshot

{
  "manifest_version": 2,
  "name": "Oddshot",
  "version": "2.8.5resigned1",
  "default_locale": "en",
  "description": "Firefox extension for Oddshot",
  "icons": {
    "48": "icon-48.png",
    "128": "icon-128.png",
    "162": "icon.png"
  },
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "browser_style": false
  },
  "commands": {
    "take-shot": {
      "description": "Take a !shot"
    }
  },
  "content_scripts": [
    {
      "all_frames": true,
      "match_about_blank": true,
      "js": [
        "clients/embeds.js"
      ],
      "matches": [
        "*://*.player.twitch.tv/*",
        "*://*.youtube.com/embed*",
        "*://*.player.vimeo.com/video/*",
        "*://*.periscope.tv/w/*",
        "*://*.pscp.tv/*"
      ]
    },
    {
      "all_frames": true,
      "match_about_blank": true,
      "js": [
        "clients/videoCapture.js"
      ],
      "css": [
        "clients/videoCapture.css"
      ],
      "matches": [
        "*://*/*"
      ]
    },
    {
      "matches": [
        "*://*.oddshot.com/*",
        "*://*.oddshot.tv/*"
      ],
      "js": [
        "clients/oddshot.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "notifications",
    "storage",
    "tabs",
    "webNavigation",
    "webRequest",
    "<all_urls>",
    "http://*/",
    "https://*/"
  ],
  "applications": {
    "gecko": {
      "id": "oddshot@oddshot.tv",
      "strict_min_version": "44.0a1"
    }
  },
  "version_name": "2.8.4 (27a1b2c)"
}