Chrome Version       : <Copy from: 'about:version'>
OS Version: OS X 10.11.5
URLs (if applicable) : https://jsfiddle.net/vm5vbwrs/1/
Other browsers tested:
  Add OK or FAIL after other browsers where you have tested this issue:
     Safari 5: OK
  Firefox 4.x: OK
     IE 7/8/9: N/A

What steps will reproduce the problem?
See the attached link.

What is the expected result?
The input field should fill its container.

What happens instead of that?
It doesn't.

Please provide any additional information below. Attach a screenshot if
possible.