WPF - Use nameof for DependencyProperty.Register instead of hardcoded strings (#2585)
WPF - Use nameof for DependencyProperty.Register instead of hardcoded strings (#2585)

* WPF - Use nameof for DependencyProperty.Register instead of hardcoded strings

* WPF - Trimmed whitespace

Livit/CefSharp,Livit/CefSharp,Livit/CefSharp,Livit/CefSharp