Bug 295981 [Forms] FormImages & FormFonts are not disposed correctly
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/internal/forms/widgets/FormHeading.java
public void mouseExit(MouseEvent e) {
				titleRegion.setHoverState(TitleRegion.STATE_NORMAL);
			}
			public void mouseHover(MouseEvent e) {
			}
		});
		super.setLayout(new FormHeadingLayout());
		titleRegion = new TitleRegion(this);
	}
	/**
	 * Fully delegates the size computation to the internal layout manager.
	 */
	public final Point computeSize(int wHint, int hHint, boolean changed) {
		return ((FormHeadingLayout) getLayout()).computeSize(this, wHint,
				hHint, changed);
	}
	/**
	 * Prevents from changing the custom control layout.
	 */
	public final void setLayout(Layout layout) {
	}
	/**
	 * Returns the title text that will be rendered at the top of the form.
	 * 
	 * @return the title text
	 */
	public String getText() {
		return titleRegion.getText();
	}
	/**