Drupal8 version of drupal_http_request

Drupal8_drupal_http_request.php

<?php
$client = \Drupal::httpClient();
$url = 'http://something.com/data.json';
try {
  $request = $client->get($url);
  $status = $request->getStatusCode();
  //Do something here.
  //For example:
  return json_decode($request->getBody()->getContents());
}
catch (RequestException $e) {
  //An error happened.
}