Override ReadCord() to be implemented explicitly

PiperOrigin-RevId: 492461499

src/google/protobuf/io/zero_copy_stream_impl_lite.cc

@@ -467,6 +467,18 @@ int64_t LimitingInputStream::ByteCount() const {
   }
 }
 
+bool LimitingInputStream::ReadCord(absl::Cord* cord, int count) {
+  if (count <= 0) return true;
+  if (count <= limit_) {
+    if (!input_->ReadCord(cord, count)) return false;
+    limit_ -= count;
+    return true;
+  }
+  input_->ReadCord(cord, limit_);
+  limit_ = 0;
+  return false;
+}
+
 
 // ===================================================================
 

src/google/protobuf/io/zero_copy_stream_impl_lite.h

@@ -375,6 +375,7 @@ class PROTOBUF_EXPORT LimitingInputStream PROTOBUF_FUTURE_FINAL
   void BackUp(int count) override;
   bool Skip(int count) override;
   int64_t ByteCount() const override;
+  bool ReadCord(absl::Cord* cord, int count) override;
 
 
  private: