Twitter text Splitter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "1.1.2",
  "manifest_version": 2,
  "content_security_policy": "script-src 'self'  https://ssl.google-analytics.com https://syndication.twitter.com; object-src 'self'",
  "short_name": "__MSG_appShort__",
  "homepage_url": "http://www.twittertextsplitter.com/",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_title": "Twitter text Splitter",
    "default_popup": "popup.html",
    "default_icon": "images/icon19.png"
  },
  "icons": {
    "19": "images/icon19.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "images/imagen.png",
    "images/icon19b.png"
  ]
}