1 files changed, 4 insertions, 1 deletions
diff --git a/chromium/third_party/blink/renderer/core/streams/readable_stream_generic_reader.h b/chromium/third_party/blink/renderer/core/streams/readable_stream_generic_reader.h
index 7e238447d32..dc3b75351b4 100644
--- a/chromium/third_party/blink/renderer/core/streams/readable_stream_generic_reader.h
+++ b/chromium/third_party/blink/renderer/core/streams/readable_stream_generic_reader.h
@@ -8,6 +8,7 @@
 #include "third_party/blink/renderer/bindings/core/v8/script_value.h"
 #include "third_party/blink/renderer/core/core_export.h"
 #include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
+#include "third_party/blink/renderer/platform/heap/visitor.h"
 #include "v8/include/v8.h"
 
 namespace blink {
@@ -17,7 +18,6 @@ class ReadableStream;
 class ScriptPromise;
 class ScriptState;
 class StreamPromiseResolver;
-class Visitor;
 
 // The specification sometimes treats ReadableStreamDefaultReader and
 // ReadableStreamBYOBReader generically. Currently ReadableStreamBYOBReader
@@ -31,6 +31,9 @@ class CORE_EXPORT ReadableStreamGenericReader : public ScriptWrappable {
   ReadableStreamGenericReader();
   ~ReadableStreamGenericReader() override;
 
+  virtual bool IsDefaultReader() const = 0;
+  virtual bool IsBYOBReader() const = 0;
+
   // https://streams.spec.whatwg.org/#generic-reader-closed
   ScriptPromise closed(ScriptState*) const;