Bug 113104 [hovering] Consider adapting AbstractInformationControl to new PopupDialog
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/text/JavaSourceViewerConfiguration.java
* Returns the JavaDoc scanner for this configuration.
	 *
	 * @return the JavaDoc scanner
	 */
	protected RuleBasedScanner getJavaDocScanner() {
		return fJavaDocScanner;
	}
	/**
	 * Returns the color manager for this configuration.
	 *
	 * @return the color manager
	 */
	protected IColorManager getColorManager() {
		return fColorManager;
	}
	/**
	 * Returns the editor in which the configured viewer(s) will reside.
	 *
	 * @return the enclosing editor
	 */
	protected ITextEditor getEditor() {
		return fTextEditor;
	}
	/**
	 * Returns the preference store used by this configuration to initialize
	 * the individual bits and pieces.
	 * <p>
	 * Clients are not allowed to call this method if the new setup without
	 * text tools is in use.
	 * @see JavaSourceViewerConfiguration#JavaSourceViewerConfiguration(IColorManager, IPreferenceStore, ITextEditor, String)