Bug 37253 [Dialogs] Font to text control of InputDialog is not set
Look at org.eclipse.jface.dialogs.InputDialog.createDialogArea()
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/InputDialog.java
private String message;
	/**
	 * The input value; the empty string by default.
	 */
	private String value= "";
	/**
	 * The input validator, or <code>null</code> if none.
	 */
	private IInputValidator validator;
	/**
	 * Ok button widget.
	 */
	private Button okButton;
	/**
	 * Input text widget.
	 */
	private Text text;
	/**
	 * Error message label widget.
	 */
	private Label errorMessageLabel;
/**
 * Creates an input dialog with OK and Cancel buttons.
 * Note that the dialog will have no visual representation (no widgets)
 * until it is told to open.
 * <p>
 * Note that the <code>open</code> method blocks for input dialogs.
 * </p>
 *
 * @param parentShell the parent shell