Bug 208373 Auto resize Chart to have a single axis without blank
When Chart is within Cross tab, chart axis image should have a single axis only, but there may be much blank in other area. Chart engine should auto resize the image to have the axis with fit size. Meanwhile, report engine should not set size for chart image.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderer.java
/**
	 * Flushes render event of all Series before clipping
	 * 
	 * @throws ChartException
	 */
	protected void flushClipping( ) throws ChartException
	{
		
		getDeferredCacheManager( ).flushOptions( DeferredCache.FLUSH_LINE
				| DeferredCache.FLUSH_PLANE | DeferredCache.FLUSH_PLANE_SHADOW );
	}
	
	/**
	 * Checks data point entry by types
	 * 
	 * @param scale
	 *            AutoScale for min/max value
	 * @param entry
	 *            data point entry
	 * @return int indicates if data point entry is in the range of plot area. 0
	 *         inside, 1 left side, 2 outside
	 */
	protected final int checkEntryByType( AutoScale scale, Object entry )
	{
		int iOutside = 0;
		if ( entry == null )
		{