Switch to std::is_fundamental<>.

src/list-inl.h

Index: src/list-inl.h
diff --git a/src/list-inl.h b/src/list-inl.h
index 9a2d11f96aae5481956de81b58428fceb1aa8381..fea9947af6cbbda76a27a77f77aa9d08b0627664 100644
--- a/src/list-inl.h
+++ b/src/list-inl.h
@@ -34,7 +34,7 @@ template<typename T, class P>
 void List<T, P>::AddAll(const Vector<T>& other, P alloc) {
   int result_length = length_ + other.length();
   if (capacity_ < result_length) Resize(result_length, alloc);
-  if (base::is_fundamental<T>()) {
+  if (std::is_fundamental<T>()) {
     memcpy(data_ + length_, other.start(), sizeof(*data_) * other.length());
   } else {
     for (int i = 0; i < other.length(); i++) data_[length_ + i] = other.at(i);