diff -up chromium-120.0.6099.56/third_party/blink/renderer/core/paint/fragment_data_iterator.h.than chromium-120.0.6099.56/third_party/blink/renderer/core/paint/fragment_data_iterator.h
--- chromium-120.0.6099.56/third_party/blink/renderer/core/paint/fragment_data_iterator.h.than	2023-12-04 10:20:45.350540897 +0100
+++ chromium-120.0.6099.56/third_party/blink/renderer/core/paint/fragment_data_iterator.h	2023-12-04 10:23:17.335339670 +0100
@@ -21,7 +21,7 @@ class FragmentDataIteratorBase {
 
  public:
   explicit FragmentDataIteratorBase(Head& head) : fragment_head_(head) {}
-  explicit FragmentDataIteratorBase(nullptr_t) {}
+  explicit FragmentDataIteratorBase(std::nullptr_t) {}
 
   Data* GetFragmentData() const {
     return !IsDone() ? &fragment_head_.at(idx_) : nullptr;