Bug 131245 [Smoke][Regression]Run Report window in Web View cannot display existed parameteres.
Description: Run Report window in Web View cannot display existed parameteres. Steps to reproduce: 1. New a parameter. 2. Preview in Web Viewer 3. Click Run Report button. Result: No parameter showed.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
* @param parameterBean
	 *            The parameterBean to set.
	 */
	public void setParameterBean( ParameterAttributeBean parameterBean )
	{
		this.parameterBean = parameterBean;
	}
	/**
	 * Get report parameters.
	 * 
	 * @return collection of report parameter definition.
	 */
	public Collection getReportParameters( )
	{
		if ( parameterTask != null )
		{
			return parameterTask.getParameterDefns( false );
		}
		return null;
	}
	/**
	 * Get report test config variables.
	 * 
	 * @return hash map of test config variables
	 */
	public HashMap getReportTestConfig( )
	{
		if ( reportRunnable != null )
		{
			return reportRunnable.getTestConfig( );