Bug 26723 [Navigator] Make ResourceListSelectionDialog API
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/GotoResourceAction.java
private PackageExplorerPart fPackageExplorer;
	private Viewer fViewer;
	private int fSize;
	public GotoResourceAction(PackageExplorerPart explorer) {
		setText(PackagesMessages.getString("GotoResource.action.label")); 
		fPackageExplorer= explorer;
		fViewer= explorer.getViewer();
		fSize= 512;
	}