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/CompletionFieldFilter.java
return false;
	}
	/**
	 * Get the completion settings.
	 * @return int 
	 * @see #COMPLETED
	 * @see #NOT_COMPLETED
	 */
	int getCompletion() {
		return completion;
	}
	/**
	 * Set the completion settings.
	 * @param completion the completion value
	 * @see #COMPLETED
	 * @see #NOT_COMPLETED
	 */
	void setCompletion(int completion) {
		this.completion = completion;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerFieldFilter#populateWorkingCopy(org.eclipse.ui.internal.provisional.views.markers.api.MarkerFieldFilter)
	 */
	public void populateWorkingCopy(MarkerFieldFilter copy) {
		super.populateWorkingCopy(copy);
		((CompletionFieldFilter)copy).setCompletion(getCompletion());
	}
}