QWebView scrolling doesn't clear old elements before painting on top of them

QWebView scrolling doesn't clear old elements before painting on top of them.

Use attached application to reproduce. Steps:
1) Launch Webview2 application
2) Click on here-link
3) Enter some text in search field
4) Click the search button
5) Scroll the screen (assuming your search returned enough hits to make scrollbar appear)
-> Observe paint problems like in screenshot.

Happens on both emulator and hardware.