computeNodeBeforePosition  120 Source/core/dom/Position.h     Node* computeNodeBeforePosition() const;
computeNodeBeforePosition 1274 Source/core/editing/ReplaceSelectionCommand.cpp     Node* endNode = endUpstream.computeNodeBeforePosition();
computeNodeBeforePosition 1361 Source/core/editing/ReplaceSelectionCommand.cpp         Node* before = position.computeNodeBeforePosition();