1 files changed, 3 insertions, 2 deletions
diff --git a/chromium/base/containers/intrusive_heap.h b/chromium/base/containers/intrusive_heap.h
index 53d3909560c..99f61b46784 100644
--- a/chromium/base/containers/intrusive_heap.h
+++ b/chromium/base/containers/intrusive_heap.h
@@ -131,6 +131,7 @@
 
 #include <algorithm>
 #include <functional>
+#include <limits>
 #include <type_traits>
 #include <utility>
 #include <vector>
@@ -149,7 +150,7 @@ namespace base {
 // in place.
 class BASE_EXPORT HeapHandle {
  public:
-  enum : size_t { kInvalidIndex = -1 };
+  enum : size_t { kInvalidIndex = std::numeric_limits<size_t>::max() };
 
   constexpr HeapHandle() = default;
   constexpr HeapHandle(const HeapHandle& other) = default;
@@ -715,7 +716,7 @@ IntrusiveHeap<T, Compare, HeapHandleAccessor>::~IntrusiveHeap() {
 template <typename T, typename Compare, typename HeapHandleAccessor>
 IntrusiveHeap<T, Compare, HeapHandleAccessor>&
 IntrusiveHeap<T, Compare, HeapHandleAccessor>::operator=(
-    IntrusiveHeap&& other) {
+    IntrusiveHeap&& other) noexcept {
   clear();
   impl_ = std::move(other.impl_);
   return *this;