function _dirtyFlagChangeHandler(event, doc) {
        var $dirtyIndicators = $(".inline-text-editor .dirty-indicator"),
            $indicator;

        $dirtyIndicators.each(function (index, indicator) {
            $indicator = $(this);
            if ($indicator.data("fullPath") === doc.file.fullPath) {
                _showDirtyIndicator($indicator, doc.isDirty);
            }
        });
    }
Respond to dirty flag change event. If the dirty flag is associated with an inline editor,
show (or hide) the dirty indicator.
@private