Clear date input fails on chromewebdriver

Question

I ran into a problem while switching from firefoxdriver to chromedriver with selenium, it was working fine in FF but now when I try to clear a date input field I have this e

Answer 1

to clear and update the model...

     webElement.sendKeys(Keys.chord(Keys.CONTROL, "a"));
     webElement.sendKeys(Keys.BACK_SPACE);