Bug 174272 FileStoreEditorInput needs to be restorable
3.3 M5 The FileStoreEditorInput needs to restorable on startup. Therefore it needs to return an IPersistableElement and there needs to be an element factory.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/ide/FileStoreEditorInput.java
/**
	 * The workbench adapter which simply provides the label.
	 *
	 * @since 3.3
	 */
	private static class WorkbenchAdapter implements IWorkbenchAdapter {
		/*
		 * @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(java.lang.Object)
		 */
		public Object[] getChildren(Object o) {
			return null;
		}
		/*
		 * @see org.eclipse.ui.model.IWorkbenchAdapter#getImageDescriptor(java.lang.Object)
		 */