manifest.json

{
  "manifest_version": 2,
  "default_locale": "ja",
  "background": {
      "persistent": true,
      "page": "GTAS.html"
   },
   "permissions": ["ttsEngine", "tabs"],
  "icons": {
      "128": "images/icon.png",
      "16": "images/icon.png"
   },
   "browser_action" : {
       "default_icon": "images/icon.png",
       "default_title": "GT Auto Speaker"
   },
  "content_scripts": [ {
    "matches": [ "http://*/*", "https://*/*" ],
    "exclude_globs": [  ],
    "exclude_matches": [  ],
    "include_globs": [ "http://translate.google.*/*", "https://translate.google.*/*" ],
    "js": [ "jquery-1.7.1.js", "content.js" ],
    "run_at": "document_end",
    "all_frames" : false
  } ],
  "options_page": "options.html",
  "converted_from_user_script": true,
  "description": "Automatic Text-to-speech of Google Translate Site.",
  "name": "GT Auto Speaker",
  "version": "1.0.0"
}