Add connection option kSMHL indicating supporting SETTINGS_MAX_HEADER_LIST_SIZE. SETTINGS_MAX_HEADE…

net/quic/core/quic_config.h

Index: net/quic/core/quic_config.h
diff --git a/net/quic/core/quic_config.h b/net/quic/core/quic_config.h
index 4f7907465ce529b015d42f463661abe8ede51b45..90f29a14c219429910c2c2212425aea630382520 100644
--- a/net/quic/core/quic_config.h
+++ b/net/quic/core/quic_config.h
@@ -397,6 +397,10 @@ class NET_EXPORT_PRIVATE QuicConfig {
 
   bool ForceHolBlocking(Perspective perspective) const;
 
+  void SetSupportMaxHeaderListSize();
+
+  bool SupportMaxHeaderListSize() const;
+
   bool negotiated() const;
 
   // ToHandshakeMessage serialises the settings in this object as a series of
@@ -459,6 +463,9 @@ class NET_EXPORT_PRIVATE QuicConfig {
 
   // Force HOL blocking for measurement purposes.
   QuicFixedUint32 force_hol_blocking_;
+
+  // Whether support HTTP/2 SETTINGS_MAX_HEADER_LIST_SIZE SETTINGS frame.
+  QuicFixedUint32 support_max_header_list_size_;
 };
 
 }  // namespace net