nodeHasVisibleRenderText 669 Source/core/editing/ReplaceSelectionCommand.cpp if (lastLeafInserted && lastLeafInserted->isTextNode() && !nodeHasVisibleRenderText(toText(*lastLeafInserted)) nodeHasVisibleRenderText 679 Source/core/editing/ReplaceSelectionCommand.cpp if (firstNodeInserted && firstNodeInserted->isTextNode() && !nodeHasVisibleRenderText(toText(*firstNodeInserted))) {