Bug 98107 [Viewers] Change visibility of AbstractTreeViewer#internalRemove from private to protected
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
protected Widget doFindInputItem(Object element) {
        
        Object root = getRoot();
        if (root == null)
            return null;
        if (equals(root, element))
            return getControl();
        return null;
    }
    
    protected Widget doFindItem(Object element) {
        
        Object root = getRoot();
        if (root == null)
            return null;
        Item[] items = getChildren(getControl());
        if (items != null) {
            for (int i = 0; i < items.length; i++) {
                Widget o = internalFindItem(items[i], element);
                if (o != null)
                    return o;
            }
        }
        return null;
    }
    /**
     * Copies the attributes of the given element into the given SWT item.
     * 
     * @param item
     *           the SWT item