Furigana

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Furigana",
  "version": "3.0.90",
  "manifest_version": 2,
  "description": "Convert japanese text (kanji, kana) to latin (roumaji)",
  "options_page": "options.html",
  "permissions": [
    "contextMenus",
    "activeTab"
  ],
  "icons": {
    "16": "icon/16.png",
    "19": "icon/19.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "browser_action": {
    "default_icon": "icon/19.png",
    "default_popup": "popup.html",
    "default_title": "Furigana"
  },
  "background": {
    "scripts": [
      "dictionary.js",
      "lib/combineOriginalAndKana.js",
      "roumaji_to_kana.js",
      "user.js",
      "accented.js",
      "tokenize.js",
      "render.js",
      "background.js"
    ],
    "persistent": true
  }
}