Examine source code of Serey Keychain

{
  "name": "__MSG_keychain__",
  "description": "__MSG_description__",
  "default_locale": "en",
  "version": "1.0.0",
  "permissions": [
    "activeTab",
    "declarativeContent",
    "storage",
    "webNavigation",
    "tabs",
    "https://*/*",
    "notifications",
    "idle",
    "contextMenus"
  ],
  "browser_action": {
    "default_popup": "html/popup.html",
    "default_icon": "images/keychain_icon_small.png"
  },
  "icons": {
    "16": "images/keychain_icon_small.png",
    "32": "images/keychain_icon_small.png"
  },
  "background": {
    "scripts": [
      "vendor/crypto-js.js",
      "vendor/md5.min.js",
      "js/libs/encrypt.js",
      "vendor/steem.min.js",
      "vendor/decode.min.js",
      "vendor/jquery.min.js",
      "js/config.js",
      "js/libs/keychainify.js",
      "js/libs/account.js",
      "js/libs/accountsList.js",
      "js/libs/hf21.js",
      "js/libs/rpcs.js",
      "js/background/autolock.js",
      "js/background/init.js",
      "js/background/dialog_lifecycle.js",
      "js/background/errors.js",
      "js/background/keychainify.js",
      "js/background/auth.js",
      "js/background/ops/authority.js",
      "js/background/ops/broadcast.js",
      "js/background/ops/signTx.js",
      "js/background/ops/createAccount.js",
      "js/background/ops/customJson.js",
      "js/background/ops/decode.js",
      "js/background/ops/delegation.js",
      "js/background/ops/post.js",
      "js/background/ops/power.js",
      "js/background/ops/proposals.js",
      "js/background/ops/signBuffer.js",
      "js/background/ops/signedCall.js",
      "js/background/ops/tokens.js",
      "js/background/ops/transfer.js",
      "js/background/ops/vote.js",
      "js/background/ops/witness.js",
      "js/background/transactions.js",
      "js/background/context_menu.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "/images/logo.png",
    "js/steem_keychain.js"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://0.0.0.0:1337/*",
        "http://*/*"
      ],
      "js": [
        "vendor/jquery.min.js",
        "js/web_interface.js",
        "js/libs/keychainify.js",
        "js/keychainify_content.js"
      ]
    }
  ],
  "manifest_version": 2
}