WebKit iOS 13.0 Beta 2 to Beta 3 API Differences

WKPreferences.h
Added WKPreferences.fraudulentWebsiteWarningEnabled
WKUIDelegate.h
Added -[WKUIDelegate webView:contextMenuConfigurationForElement:completionHandler:]
Added -[WKUIDelegate webView:contextMenuForElement:willCommitWithAnimator:]
Added -[WKUIDelegate webView:contextMenuWillPresentForElement:]
Added -[WKUIDelegate webView:contextMenuDidEndForElement:]