Examine source code of Bookmark Keys

{
  "manifest_version": 2,
  "version": "0.1",
  "name": "Bookmark Keys",
  "description": "Search bookmarks by keywords.",
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "bookmarks",
    "tabs",
    "activeTab",
    "history",
    "storage",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon.svg",
      "32": "icons/icon.svg",
      "64": "icons/icon.svg"
    },
    "default_title": "Bookmarks Keys"
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true,
    "chrome_style": true
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_scripts/popup_search.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "search/search.html"
  ]
}