manifest.json

{
"update_url": "https://clients2.google.com/service/update2/crx",

  "manifest_version": 2,

  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "2.9.11",
   "app": {
    "background": {
      "scripts": [ "background.js" ],
      "persistent": false
    }
  },
  "icons": { 
           "16": "Images/dp_bb.ico",
           "48": "Images/dp_bb.ico",
          "128": "Images/dp_bb.ico" 
          },
	
  "permissions": ["fullscreen","storage","contextMenus","hid", {
      "usbDevices": [
        { "vendorId": 6724, "productId": 32955 },
        { "vendorId": 6724, "productId": 187 }
      ]
    }
  ]
}