Bug 270092 [CellEditors] [cell editors] TextCellEditor should not specify minimum size
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TextCellEditor.java
/**
     * The text control; initially <code>null</code>.
     */
    protected Text text;
    private ModifyListener modifyListener;
    /**
     * State information for updating action enablement
     */
    private boolean isSelection = false;
    private boolean isDeleteable = false;
    private boolean isSelectable = false;
    /**
     * Default TextCellEditor style
     * specify no borders on text widget as cell outline in table already
     * provides the look of a border.
     */
    private static final int defaultStyle = SWT.SINGLE;
    /**
     * Creates a new text string cell editor with no control
     * The cell editor value is the string itself, which is initially the empty
     * string. Initially, the cell editor has no cell validator.
     * 
     * @since 2.1
     */
    public TextCellEditor() {
        setStyle(defaultStyle);