Simple Text

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Simple Text",
  "description": "An extremely simple text editor (sample Chrome app)",
  "version": "0.1",
  "icons": {
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "manifest_version": 2,
  "minimum_chrome_version": "31.0",
  "offline_enabled": true,
  "app": {
    "background": {
      "scripts": [
        "js/background.js"
      ]
    }
  },
  "permissions": [
    {
      "fileSystem": [
        "write"
      ]
    }
  ],
  "file_handlers": {
    "text": {
      "title": "Simple Text",
      "types": [
        "application/javascript",
        "application/json",
        "application/xml",
        "text/*"
      ],
      "extensions": [
        "c",
        "cc",
        "cpp",
        "css",
        "h",
        "hs",
        "html",
        "js",
        "json",
        "md",
        "py",
        "textile",
        "txt",
        "xml",
        "yaml"
      ]
    }
  }
}