Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerContentGenerator.java
* @param viewId
	 *            if attached to a view
	 */
	void setViewID(String viewId) {
		this.viewId = viewId;
	}
	/**
	 * @return Returns the viewId of view it is attached to or null otherwise.
	 */
	public Object getViewId() {
		return viewId;
	}
	/**
	 * Get the list of initially visible fields
	 * 
	 * @return {@link MarkerField}[]
	 */
	MarkerField[] getInitialVisible() {
		return generatorDescriptor.getInitialVisible();
	}
	/**
	 * Get the group called groupName from the receiver
	 * 
	 * @param groupName
	 * @return MarkerGroup or <code>null</code>
	 */
	MarkerGroup getMarkerGroup(String groupName) {
		Iterator groups = getMarkerGroups().iterator();
		while (groups.hasNext()) {
			MarkerGroup group = (MarkerGroup) groups.next();