gistfile1.json

{
  "manifest_version": 2,

  "name": "Google search",
  "description": "search for google results",
  "version": "1.0",
  "background":{
        "page": "background.html"
  },
  "content_scripts": [
    {
      "matches": ["<all_urls>"],
      "js": ["assets/js/content.js"]
    }
  ],
 "icons": {
    "16":"icon16.png",
    "48":"icon48.png",
    "128":"icon128.png"
  },
  "browser_action": {
    "default_icon": "icon16.png",
    "default_popup": "popup.html",
    "default_title": "Google search"
  },
  "permissions": [
    "notifications",
    "tabs",
    "background",
    "http://*/*",
    "https://*/*"
  ]
}