Offline Cache

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Offline Cache",
  "version": "1.33",
  "manifest_version": 2,
  "description": "Keeps files accessed for domains, so they can be loaded with no internet connection.",
  "browser_action": {
    "default_icon": "disabled.png",
    "default_title": "Toggle On/Off",
    "default_popup": "switcheroo.html"
  },
  "permissions": [
    "unlimitedStorage",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "tabs"
  ],
  "options_page": "options.html",
  "background": {
    "scripts": [
      "lib/url.js",
      "Tabs.js",
      "Storage.js",
      "RulesService.js",
      "Cache.js",
      "MessageService.js",
      "RequestModerator.js",
      "IconStatus.js",
      "background.js"
    ]
  }
}