Grid overlay

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Grid overlay",
  "version": "0.0.1",
  "manifest_version": 2,
  "description": "Just the basic grid overlay, no frills.",
  "homepage_url": "http://DomainNotPurchased.com",
  "icons": {
    "16": "icons/ico.png",
    "48": "icons/ico.png",
    "128": "icons/ico.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "src/bg/background.js"
    ],
    "persistent": true
  },
  "page_action": {
    "default_icon": "icons/ico.png",
    "default_title": "Grid overlay - no frills"
  },
  "permissions": [
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": [
        "src/inject/inject.css"
      ]
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/jquery/jquery.js",
        "src/inject/inject.js"
      ]
    }
  ]
}