Block urls

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Block urls",
  "short_name": "Block urls",
  "description": "This extension allows you to block urls",
  "version": "1.0.3",
  "homepage_url": "http://github.com/sanderhahn/blockurls",
  "icons": {
    "16": "block16.png",
    "24": "block24.png",
    "32": "block32.png",
    "48": "block48.png",
    "128": "block128.png"
  },
  "background": {
    "persistent": true,
    "scripts": [
      "shared.js",
      "background.js"
    ]
  },
  "options_page": "options.html",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*/*",
    "storage",
    "contextMenus",
    "activeTab"
  ]
}