Bug 174701 [Viewers] ViewerRow should be reused instead of connected to the Item
Currently we create a ViewerRow ver every Item we create this can degrade performance, we should cache the row and reuse it
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
}
				}
			}
		}
	}
	/**
	 * Update the structure and recurse. Items are updated in updateChildren, as
	 * needed.
	 * 
	 * @param widget
	 * @param element
	 * @param updateLabels
	 */
	void internalRefreshStruct(Widget widget, Object element,
			boolean updateLabels) {
		updateChildren(widget, element, null, updateLabels);
		Item[] children = getChildren(widget);
		if (children != null) {
			for (int i = 0; i < children.length; i++) {
				Widget item = children[i];
				Object data = item.getData();
				if (data != null) {
					internalRefreshStruct(item, data, updateLabels);
				}
			}
		}
	}
	/**
	 * Removes the given elements from this viewer.
	 * <p>