Bug 120218 Right click menu option to apply theme.
We should support the following right click menu. -- User right clicks int he report design layout area. -- The following menu items needs to be supported Theme --> Apply Theme -->Theme1 -->Theme2 ( similar to Apply style menu option )
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
else if ( fontSizeValue instanceof String )
		{
			String fontSize = (String) fontSizeValue;
			if ( fontSize.equals( DesignChoiceConstants.FONT_SIZE_LARGER ) )
			{
				return getLargerFontSize( handle.getContainer( ) );
			}
			else if ( fontSize.equals( DesignChoiceConstants.FONT_SIZE_SMALLER ) )
			{
				return getSmallerFontSize( handle.getContainer( ) );
			}
			else
			{
				return fontSize;
			}
		}
		else
		{
			return DesignChoiceConstants.FONT_SIZE_MEDIUM;
		}
	}
	private static String getLargerFontSize( DesignElementHandle handle )
	{
		if ( !( handle instanceof ReportItemHandle ) )
		{
			if ( handle instanceof ModuleHandle )
			{
				for ( int i = 0; i < DesignerConstants.fontSizes.length - 1; i++ )
				{
					if ( DesignChoiceConstants.FONT_SIZE_MEDIUM.equals( DesignerConstants.fontSizes[i][0] ) )