Cache Checker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Cache Checker",
  "short_name": "Cache Checker",
  "version": "0.2",
  "description": "Lookup the current page in the cache.",
  "homepage_url": "http://www.cache.com",
  "background": {
    "persistent": false,
    "page": "background.html"
  },
  "icons": {
    "16": "images/icon.png",
    "19": "images/icon19.png",
    "38": "images/icon38.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "permissions": [
    "https://ssl.google-analytics.com/*",
    "tabs"
  ],
  "browser_action": {
    "default_icon": {
      "19": "images/icon19.png",
      "38": "images/icon38.png"
    },
    "default_title": "Cache Checker"
  },
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'"
}