didMergeTextNodes 3702 Source/core/dom/Document.cpp void Document::didMergeTextNodes(Text& oldNode, unsigned offset)
didMergeTextNodes 1756 Source/core/dom/Range.cpp void Range::didMergeTextNodes(const NodeWithIndex& oldNode, unsigned offset)
didMergeTextNodes  429 Source/core/editing/FrameSelection.cpp void FrameSelection::didMergeTextNodes(const Text& oldNode, unsigned offset)