[webkit-reviews] review requested: [Bug 82009] [Shadow DOM] Introduce ComposedShadowTreeWalker as a successor of ReifiedTreeTraversal APIs : [Attachment 134735] add symbols

[bugzilla-daemon at webkit.org]

Hayato Ito <hayato at chromium.org> has asked  for review:
Bug 82009: [Shadow DOM] Introduce ComposedShadowTreeWalker as a successor of
ReifiedTreeTraversal APIs
https://bugs.webkit.org/show_bug.cgi?id=82009

Attachment 134735: add symbols
https://bugs.webkit.org/attachment.cgi?id=134735&action=review