Examine source code of DCEyeProtector

{
  "manifest_version": 2,
  "name": "DCEyeProtector",
  "description": "디시인사이드 눈 보호 확장프로그램",
  "version": "1.0.0",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "contextMenus",
    "https://*.dcinside.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{4500f167-21ed-4a65-9406-0ed0a1ad9c62}"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Popup",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://gall.dcinside.com/*/board/view/*",
        "*://gall.dcinside.com/board/view/*"
      ],
      "run_at": "document_start",
      "css": [
        "content-scripts/content.css"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}