title: Local images doesn't loads with WKWebView
body: <p>I've same issue as here : <a href="https://stackoverflow.com/questions/32399516/strange-behavior-with-wkwebviews-loadhtmlstring-method-images-are-not-loading">Strange behavior with WKWebView&#39;s loadHTMLString method. Images are not loading sometimes</a></p>
  
  <p>I load html from a string who's have img tags targeting locals files. It's work fines in UIView but not in WKWebView (with same html string).</p>
  
  <p>In safari debugger, i see thats they're no requests started for all imgs ressources !</p>
  
  <p>The solution gived in the post quoted above doesn't work for me (i already had set the NSAppTransportSecurity.</p>
  
  <p>I'm using Swift 2 / Xcode 7.2 / iOS 9.0</p>
  
  <p>How can i do ?</p>