LibWeb: Add support for DOM's TreeWalker

This patch adds TreeWalker (created via Document.createTreeWalker())
which allows you to traverse a filtered view of the DOM in all
directions.

1 files changed, 2 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index f64a3ad00a..3e39a26ffe 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -121,6 +121,7 @@ class ShadowRoot;
 class StaticNodeList;
 class StaticRange;
 class Text;
+class TreeWalker;
 enum class QuirksMode;
 struct EventListenerOptions;
 struct AddEventListenerOptions;
@@ -508,6 +509,7 @@ class TextDecoderWrapper;
 class TextEncoderWrapper;
 class TextMetricsWrapper;
 class TextWrapper;
+class TreeWalkerWrapper;
 class UIEventWrapper;
 class URLConstructor;
 class URLPrototype;