StartInSelection 1109 Source/core/editing/Editor.cpp     FindOptions options = (forward ? 0 : Backwards) | (caseFlag ? 0 : CaseInsensitive) | (wrapFlag ? WrapAround : 0) | (startInSelection ? StartInSelection : 0);
StartInSelection 1149 Source/core/editing/Editor.cpp     bool startInReferenceRange = referenceRange && (options & StartInSelection);
StartInSelection  126 Source/web/TextFinder.cpp         | (options.findNext ? 0 : StartInSelection);