Examine source code of Fix YouTube Search

{
  "manifest_version": 2,
  "name": "Fix YouTube Search",
  "version": "1.0",
  "description": "Automatically encloses YouTube search queries in double quotes for more accurate search results.",
  "permissions": [
    "activeTab",
    "tabs",
    "webNavigation",
    "*://*.youtube.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "FixYoutubeSearch16icon.png",
    "48": "FixYoutubeSearch48icon.png",
    "128": "FixYoutubeSearch128icon.png"
  },
  "browser_action": {
    "default_icon": "FixYoutubeSearch128icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{89dde741-e75d-455a-85bf-d49f4cffcdf8}"
    }
  }
}