title: driver.get buffer when access this mp4 url
body: <p>dependencies version : </p>
  
  <ul>
  <li>chromedriver version is 2.41</li>
  <li>selenium 3.14</li>
  </ul>
  
  <p>my code :</p>
  
  <pre><code>print("Access Video")
  driver.get("http://techslides.com/demos/sample-videos/small.mp4")
  print("finish")
  </code></pre>
  
  <ol>
  <li>the video has been fully loaded but driver.get still buffer</li>
  <li>i try adding timeout, but it's not solution</li>
  </ol>