Examine source code of 步凡黑客

{
  "manifest_version": 2,
  "default_locale": "zh_CN",
  "name": "步凡自助快捷填写",
  "description": "__MSG_extension_description__",
  "version": "0.980resigned1",
  "homepage_url": "http://www.kumv.net",
  "author": "步凡",
  "applications": {
    "gecko": {
      "id": "{5546F97E-11A5-46b0-9082-32AD74AAA921}",
      "strict_min_version": "53.0"
    }
  },
  "icons": {
    "16": "img/informenter-16.png",
    "32": "img/informenter-32.png",
    "48": "img/informenter-48.png",
    "96": "img/informenter-96.png"
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": "img/informenter-16.png",
    "default_title": "步凡黑客",
    "default_popup": "informenter-popup.htm"
  },
  "options_ui": {
    "page": "informenter-options.htm",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "informenter-api.js",
      "informenter-firefox.js",
      "informenter-background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "informenter-api.js",
        "informenter-content.js"
      ],
      "css": [
        "informenter-content.css"
      ],
      "all_frames": true
    }
  ],
  "commands": {
    "insert-menu-item-1": {
      "suggested_key": {
        "default": "Ctrl+1"
      },
      "description": "Insert InFormEnter+ menu item #1"
    },
    "insert-menu-item-2": {
      "suggested_key": {
        "default": "Ctrl+2"
      },
      "description": "Insert InFormEnter+ menu item #2"
    },
    "insert-menu-item-3": {
      "suggested_key": {
        "default": "Ctrl+3"
      },
      "description": "Insert InFormEnter+ menu item #3"
    },
    "insert-menu-item-4": {
      "suggested_key": {
        "default": "Ctrl+4"
      },
      "description": "Insert InFormEnter+ menu item #4"
    },
    "insert-menu-item-5": {
      "suggested_key": {
        "default": "Ctrl+5"
      },
      "description": "Insert InFormEnter+ menu item #5"
    },
    "insert-menu-item-6": {
      "suggested_key": {
        "default": "Ctrl+6"
      },
      "description": "Insert InFormEnter+ menu item #6"
    },
    "insert-menu-item-7": {
      "suggested_key": {
        "default": "Ctrl+7"
      },
      "description": "Insert InFormEnter+ menu item #7"
    },
    "insert-menu-item-8": {
      "suggested_key": {
        "default": "Ctrl+8"
      },
      "description": "Insert InFormEnter+ menu item #8"
    },
    "insert-menu-item-9": {
      "suggested_key": {
        "default": "Ctrl+9"
      },
      "description": "Insert InFormEnter+ menu item #9"
    },
    "show-inputs-menu-0": {
      "suggested_key": {
        "default": "Ctrl+0"
      },
      "description": "Show InFormEnter+ menu"
    }
  },
  "web_accessible_resources": [
    "img/informenter-marker-1.png",
    "img/informenter-marker-2.png"
  ],
  "permissions": [
    "storage",
    "contextMenus",
    "downloads"
  ]
}