chromium/third_party/blink/web_tests/traversal/tree-walker-001-expected.txt

Tree Walker: 
A
  A.1
  A.2
  A.3
B
  B.1
    B.1.1
C
  C.1
    C.1.1
      C.1.1.1
      C.1.1.2
      C.1.1.3
    C.1.2
      C.2.1
D