Examine source code of Finance Toolbar - Real Time Stock Tracker

{
  "manifest_version": 2,
  "name": "__MSG_name__",
  "short_name": "Finance Toolbar",
  "version": "1.0.0.6",
  "description": "__MSG_description__",
  "author": "Stefan vd",
  "homepage_url": "https://www.stefanvd.net/support/",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "content_security_policy": "script-src 'self'; img-src *; object-src 'self'",
  "web_accessible_resources": [
    "js/toolbar.js",
    "toolbar.html"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+M",
        "mac": "MacCtrl+Shift+M"
      }
    },
    "toggle-feature-financetoolbar": {
      "suggested_key": {
        "default": "Ctrl+Shift+P",
        "mac": "MacCtrl+Shift+P"
      },
      "description": "__MSG_titelshortfinance__"
    }
  },
  "browser_action": {
    "default_icon": {
      "19": "icons/icon1.png",
      "38": "icons/icon1@2x.png"
    },
    "default_title": "__MSG_browserbutton__",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "exclude_matches": [
        "*://*.stefanvd.net/project/finance-toolbar/browser/options.html"
      ],
      "css": [
        "css/body.css"
      ],
      "js": [
        "js/constants.js",
        "js/content.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.stefanvd.net/project/finance-toolbar/browser/options.html"
      ],
      "js": [
        "js/constants.js",
        "js/options.js"
      ],
      "run_at": "document_end"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "offline_enabled": true,
  "minimum_chrome_version": "18",
  "permissions": [
    "contextMenus",
    "tabs",
    "http://*/*",
    "https://*/*",
    "storage",
    "alarms"
  ]
}