Examine source code of Ad Radar

{
  "manifest_version": 2,
  "name": "Ad Radar",
  "description": "An extension that shows you information about the ads you see online.",
  "version": "0.0.7",
  "icons": {
    "128": "icons/icon_color.png"
  },
  "permissions": [
    "tabs",
    "<all_urls>",
    "storage"
  ],
  "background": {
    "scripts": [
      "js/core.js",
      "js/background_script.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/core.js",
        "js/injected_script.js",
        "js/content_script.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "128": "icons/icon_color.png"
    },
    "default_title": "",
    "default_popup": "popup/popup.html"
  }
}