PepperTab - Override new tab with cool widgets

manifest.json

{
  "manifest_version": 2,
  "name": "PepperTab",
  "short_name": "PepperTab",
  "description": "Replace your new tab page with awesome productivity widgets",
  "version": "1.9.5",
  "chrome_url_overrides": {
    "newtab": "./index.html"
  },
  "browser_action": {
    "default_title": "PepperTab - Open a new tab"
  },
  "offline_enabled": true,
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "permissions": [
    "geolocation",
    "webRequest",
    "webRequestBlocking",
    "identity",
    "*://peppertab.com/*",
    "*://content.googleapis.com/*"
  ],
  "optional_permissions": [
    "topSites"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "index.html"
  ],
  "icons": {
    "16": "assets/logo-16px.png",
    "48": "assets/logo-48px.png",
    "128": "assets/logo-128px.png"
  }
}