Examine source code of ReplyShare

{
  "applications": {
    "gecko": {
      "id": "replyShare@1243.ru"
    }
  },
  "name": "VK.com reply share",
  "version": "1.0.2resigned1",
  "description": "It allows to share replies without likes",
  "browser_action": {
    "name": "VK.com reply share",
    "icons": [
      "icon.png"
    ],
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png",
    "96": "icon96.png"
  },
  "content_scripts": [
    {
      "js": [
        "jquery.min.js",
        "background.js"
      ],
      "matches": [
        "http://new.vk.com/*",
        "https://new.vk.com/*",
        "https://vk.com/*",
        "http://vk.com/*"
      ]
    }
  ],
  "permissions": [
    "webRequest",
    "https://new.vk.com/*",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "eventHandler.js"
    ]
  },
  "web_accessible_resources": [
    "share.png"
  ],
  "manifest_version": 2
}