previousLeafNode  316 Source/core/dom/Node.h     Node* previousLeafNode() const;
previousLeafNode   70 Source/core/dom/Position.cpp     while ((node = node->previousLeafNode())) {
previousLeafNode   57 Source/core/editing/VisibleUnits.cpp     node = node->previousLeafNode();
previousLeafNode   61 Source/core/editing/VisibleUnits.cpp         node = node->previousLeafNode();