Bug 214137 [Markers] Unbound system filters should be bound to problems view.
In 3.3 we supported systemFilters which are not currently picked up by the problems view. We should pick these up for compatiblity.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerFieldFilterGroup.java
void setEnabled(boolean enabled) {
		this.enabled = enabled;
	}
	/**
	 * Set the name of the receiver.
	 * 
	 * @param newName
	 */
	public void setName(String newName) {
		name = newName;
	}
	/**
	 * Set the scope of the receiver.
	 * 
	 * @param newScope
	 */
	public void setScope(int newScope) {
		scope = newScope;
	}
	/**
	 * Set the working set of the receiver.
	 * 
	 * @param workingSet
	 */
	void setWorkingSet(IWorkingSet workingSet) {
		this.workingSet = workingSet;
		workingSetPaths = null;
	}
}