manifest.json

{
  "manifest_version": 2,
  "name": "Link Checker",
  "description": "This extension detect broken link and blank link.",
  "version": "1.0",
  "icons": {
    "16": "images/icon/icon_16.png",
    "48": "images/icon/icon_48.png",
    "128": "images/icon/icon_128.png"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": {
      "19": "images/icon/icon_19.png",
      "38": "images/icon/icon_38.png"
    },
    "default_title": "Link Checker",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": ["css/contents_style.css"],
      "js": ["js/content_scripts/common.js"]
    }
  ],
  "permissions": [
    "tabs",
    "https://*/*",
    "http://*/*",
    "storage",
    "webNavigation"
  ]
}