Set NeedsReattachLayoutTree and ChildNeedsReattachLayoutTree flags on Node

third_party/WebKit/Source/core/dom/Node.h

Index: third_party/WebKit/Source/core/dom/Node.h
diff --git a/third_party/WebKit/Source/core/dom/Node.h b/third_party/WebKit/Source/core/dom/Node.h
index 0b4f8f89dbe4394f0461c2672da202691e9601a3..e2b51decc12356b3277d1589831e50318bb624fd 100644
--- a/third_party/WebKit/Source/core/dom/Node.h
+++ b/third_party/WebKit/Source/core/dom/Node.h
@@ -431,6 +431,23 @@ class CORE_EXPORT Node : public EventTarget {
   void setNeedsStyleRecalc(StyleChangeType, const StyleChangeReasonForTracing&);
   void clearNeedsStyleRecalc();
 
+  bool needsReattachLayoutTree() { return getFlag(NeedsReattachLayoutTree); }
+  bool childNeedsReattachLayoutTree() {
+    return getFlag(ChildNeedsReattachLayoutTree);
+  }
+
+  void setNeedsReattachLayoutTree();
+  void setChildNeedsReattachLayoutTree() {
+    setFlag(ChildNeedsReattachLayoutTree);
+  }
+
+  void clearNeedsReattachLayoutTree() { clearFlag(NeedsReattachLayoutTree); }
+  void clearChildNeedsReattachLayoutTree() {
+    clearFlag(ChildNeedsReattachLayoutTree);
+  }
+
+  void markAncestorsWithChildNeedsReattachLayoutTree();
+
   bool needsDistributionRecalc() const;
 
   bool childNeedsDistributionRecalc() const {