Bug 63159 [Progress] Progress dialog "Run in Background" button does not resize with larger font
If you set the dialog font to something large, the "Run in background" button does not correctly resize.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/Dialog.java
* with an ID of <code>IDialogConstants.CANCEL_ID</code>. If
	 * <code>createButton</code> was never called with this parameter, or if
	 * <code>createButton</code> is overridden, <code>getCancelButton</code>
	 * will return <code>null</code>.
	 * 
	 * @return the cancel button or <code>null</code>
	 * 
	 * @see #createButton(Composite, int, String, boolean)
	 * @since 2.0
	 * @deprecated Use <code>getButton(IDialogConstants.CANCEL_ID)</code>
	 *             instead. This method will be removed soon.
	 */
	protected Button getCancelButton() {
		return getButton(IDialogConstants.CANCEL_ID);
	}
	/**
	 * Returns the dialog area control.
	 * <p>
	 * Clients may call this framework method, but should not override it.
	 * </p>
	 * 
	 * @return the dialog area, or <code>null</code> if the dialog area has
	 *         not been created yet
	 */
	protected Control getDialogArea() {
		return dialogArea;
	}
	/**
	 * Returns the standard dialog image with the given key. Note that these
	 * images are managed by the dialog framework, and must not be disposed by