Examine source code of taf-Text To Speech

{
  "manifest_version": 2,
  "name": "Taf_TTS",
  "description": "Reads out loud the selected text.",
  "version": "1.1resigned1",
  "icons": {
    "96": "icons/speech-32.png"
  },
  "permissions": [
    "contextMenus"
  ],
  "browser_action": {
    "default_title": "Taf's Text To Speech (T^3.S)",
    "default_popup": "./popups/contextMenuPopup.html",
    "browser_style": false,
    "default_icon": {
      "96": "icons/speech-32.png"
    }
  },
  "background": {
    "scripts": [
      "./js/common/Constants.js",
      "./js/common/Message.js",
      "./js/common/MessageType.js",
      "./js/common/Snapshot.js",
      "./js/common/InboundMessageHandler.js",
      "./js/common/ConnectionHandler.js",
      "./js/common/OutboundMessageHandler.js",
      "./js/background/ReaderManager.js",
      "./js/background/BackgroundMain.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0ae58f82-5753-4b47-b468-790736edc34d}"
    }
  }
}