Provides an implementation of IWorkbenchWindowActionDelegate for opening a URL in a browser.

## Package Specification

LaunchURL class implementing `IWorkbenchWindowActionDelegate` is an action that can be specified in the `action` element in plugin.xml for extensions of `org.eclipse.ui.actionSets` extension point. The contributors of menu actions that need to perform launching of URL in a browser, can specify this class as an `IWorkbenchWindowActionDelegate` in their extension of `org.eclipse.ui.actionSets` point.