Bug 150151 [Accessibility] BIRT SWT chart is not high contrast compliant
The BIRT chart presented in the test log viewer is not displayed properly in high contrast mode. The background color remains white. The labels at the right legend are still using the same font.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/impl/ChartImpl.java
* The default value of the '{@link #getSubType() <em>Sub Type</em>}'
	 * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getSubType()
	 * @generated
	 * @ordered
	 */
	protected static final String SUB_TYPE_EDEFAULT = null;
	/**
	 * The cached value of the '{@link #getSubType() <em>Sub Type</em>}'
	 * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getSubType()
	 * @generated
	 * @ordered
	 */
	protected String subType = SUB_TYPE_EDEFAULT;
	/**
	 * The cached value of the '{@link #getDescription() <em>Description</em>}'
	 * containment reference. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getDescription()
	 * @generated
	 * @ordered
	 */
	protected Text description = null;
	/**
	 * The cached value of the '{@link #getBlock() <em>Block</em>}'
	 * containment reference. <!-- begin-user-doc --> <!-- end-user-doc -->
	 *