QWebEngineView issue

[avgustine]

Trying to get work properly QWebEngineView widget.
Need to display webpage in kinda embedded browser in my app.

From the beginning everything works fine.
I test view with google.com url.
Widget shows page, I can input, click on buttons for search, etc.
But after some time widget seems to crash.
It shows empty window instead of web page.

I've got such log output:

[9428:10292:1007/160758.387:ERROR:sync_point_manager.cc(249)] Client waiting on non-existent sync token The thread 0x13f0 has exited with code 0 (0x0).

What can I do to fix this?

I use Qt 5.13.1 version and Visual Studio 2019.

Here is the source code:

webView = new QWebEngineView(this);
webView->setGeometry(QRect(QPoint(0, 200), QSize(this->width(), this->height() - 200)));
webView->load(QUrl("http://google.com/"));
webView->setFocus();
webView->show();