CHelper extension

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "CHelper extension",
  "description": "Allows to parse tasks directly from browser.",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "version": "4.4.3.1",
  "permissions": [
    "tabs",
    "http://localhost/"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.contest.yandex.ru/*",
        "https://*.contest.yandex.com/*",
        "https://*.contest2.yandex.ru/*",
        "https://*.contest2.yandex.com/*",
        "http://codeforces.ru/*",
        "http://codeforces.com/*",
        "https://codeforces.ru/*",
        "https://codeforces.com/*",
        "https://hackerrank.com/*",
        "https://www.hackerrank.com/*",
        "https://www.facebook.com/hackercup/*",
        "http://usaco.org/*",
        "http://www.usaco.org/*",
        "https://code.google.com/codejam/contest/*",
        "https://codejam.withgoogle.com/*",
        "http://contest.bayan.ir/*",
        "https://*.kattis.com/problems/*",
        "https://*.kattis.com/contests/*",
        "http://www.codechef.com/*",
        "https://www.codechef.com/*",
        "https://www.hackerearth.com/*",
        "https://atcoder.jp/*",
        "https://csacademy.com/*",
        "https://codingcompetitions.withgoogle.com/codejam/*"
      ],
      "js": [
        "contentscript.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "page_action": {
    "default_icon": "newTask.png",
    "default_title": "Parse task"
  },
  "icons": {
    "16": "newTask16.png"
  }
}