manifest.json- ChromeExstension

{
  "manifest_version": 2,

  "name": "Developers Automatic Reload",
  "description": "This extension automatically reloads the browser when window is selected or focused on the screen. Saves time by not pressing ctrl+r (PC) cmd+r (MAC), or reload button everytime the developer checks an update on code",
  "version": "1.0",

  "permissions": [
     "activeTab",
     "tabs"
        ],
     "icons" : { "16": "icon_16.png",
                "48": "icon_48.png",
               "128": "icon_128.png" },

  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "reload.js"
  }
}