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
* 		DLG_IMG_INFO
	 * 		DLG_IMG_QUESTION
	 * 		DLG_IMG_WARNING
	 * 
	 * They are now coming directly from SWT see ImageRegistry.  For backwards 
	 * compatibility they are still supported, however new code should use SWT
	 * for these.
	 * 
	 * @see Display.getSystemIcon(int ID)
	 */
	static {
		ImageRegistry reg = JFaceResources.getImageRegistry();
		reg.put(DLG_IMG_MESSAGE_INFO, ImageDescriptor.createFromFile(
				Dialog.class, "images/message_info.gif")); 
		reg.put(DLG_IMG_MESSAGE_WARNING, ImageDescriptor.createFromFile(
				Dialog.class, "images/message_warning.gif")); 
		reg.put(DLG_IMG_MESSAGE_ERROR, ImageDescriptor.createFromFile(
				Dialog.class, "images/message_error.gif")); 
	}
	/**
	 * The dialog area; <code>null</code> until dialog is layed out.
	 */
	protected Control dialogArea;
	/**
	 * The button bar; <code>null</code> until dialog is layed out.
	 */
	public Control buttonBar;
	/**
	 * Collection of buttons created by the <code>createButton</code> method.
	 */