Bug 164989 [Viewers] ColumnViewer#getColumnViewerOwner() doesn't respects column count
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TreeViewer.java
* @since 3.1
	 */
	public void setColumnProperties(String[] columnProperties) {
		treeViewerImpl.setColumnProperties(columnProperties);
	}
	/*
	 * (non-Javadoc) Method declared in AbstractTreeViewer.
	 */
	protected void setExpanded(Item node, boolean expand) {
		((TreeItem) node).setExpanded(expand);
		if (contentProviderIsLazy) {
			
			getControl().update();
		}
	}
	/**
	 * The tree viewer implementation of this <code>Viewer</code> framework
	 * method ensures that the given label provider is an instance of either
	 * <code>ITableLabelProvider</code> or <code>ILabelProvider</code>.
	 * <p>
	 * If the label provider is an {@link ITableLabelProvider}, then it
	 * provides a separate label text and image for each column. Implementers of
	 * <code>ITableLabelProvider</code> may also implement
	 * {@link ITableColorProvider} and/or {@link ITableFontProvider} to provide
	 * colors and/or fonts. Note that the underlying {@link Tree} must be
	 * configured with {@link TreeColumn} objects in this case.
	 * </p>
	 * <p>
	 * If the label provider is an <code>ILabelProvider</code>, then it
	 * provides only the label text and image for the first column, and any