Bug 182402 [JFace] FontRegistry.defaultFontRecord() leaks a Font
FontRegistry.defaultFontRecord(), creates a Font, uses that Font's FontData to create a FontRecord (which creates a new Font with the FontData), but never disposes the original Font once the FontRecord has been created.
bundles/org.eclipse.jface/src/org/eclipse/jface/resource/FontRegistry.java
readResourceBundle(bundle, WSLocation);
            } catch (MissingResourceException osException) {
                if (location != OSLocation) {
                    bundle = ResourceBundle.getBundle(location);
                    readResourceBundle(bundle, WSLocation);
                } else {
					throw osException;
				}
            }
        }
    }
    /**
     * Creates an empty font registry.
     *
     * @param display the Display
     */
    public FontRegistry(Display display) {
        this(display, true);
    }
    
    /**
	 * Creates an empty font registry.
	 * 
	 * @param display
	 *            the <code>Display</code>
	 * @param cleanOnDisplayDisposal
	 *            whether all fonts allocated by this <code>FontRegistry</code>
	 *            should be disposed when the display is disposed
	 * @since 3.1
	 */