Merge commit '1d56df6688e1f3cb6db9ad72694476b908e1c077' * commit '1d56df6688e1f3cb6db9ad72694476b908e1c077': allow subclassing for drawing vertical scrollbar, so that clients (e.g. webview) can resize/position
Merge commit '1d56df6688e1f3cb6db9ad72694476b908e1c077' * commit '1d56df6688e1f3cb6db9ad72694476b908e1c077': allow subclassing for drawing vertical scrollbar, so that clients (e.g. webview) can resize/position