Examine source code of scriptsafe-ff

{
  "background": {
    "page": "html/background.html"
  },
  "browser_action": {
    "default_icon": "img/IconForbidden.png",
    "default_popup": "html/popup.html",
    "default_title": "ScriptSafe"
  },
  "commands": {
    "temppage": {
      "suggested_key": {
        "default": "Ctrl+Shift+S"
      },
      "description": "__MSG_hotkeystoggle__"
    },
    "removetemppage": {
      "suggested_key": {
        "default": "Ctrl+Shift+R"
      },
      "description": "__MSG_hotkeysremove__"
    },
    "removetempall": {
      "suggested_key": {
        "default": "Ctrl+Shift+Q"
      },
      "description": "__MSG_hotkeysremoveall__"
    }
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "js/jquery.js",
        "js/common.js",
        "js/yoyo.js",
        "js/ss.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "description": "__MSG_appdescription__",
  "icons": {
    "16": "img/icon16.png",
    "24": "img/icon24.png",
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "applications": {
    "gecko": {
      "id": "scriptsafe@github.test",
      "strict_min_version": "57.0"
    }
  },
  "default_locale": "en",
  "manifest_version": 2,
  "minimum_chrome_version": "6",
  "name": "ScriptSafe",
  "options_ui": {
    "page": "html/options.html",
    "open_in_tab": true
  },
  "permissions": [
    "http://*/*",
    "https://*/*",
    "tabs",
    "unlimitedStorage",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "notifications",
    "privacy",
    "contextMenus"
  ],
  "version": "1.1.0.1"
}