Minor refactors to enable sending an Expect-CT header more easily.

net/quic/core/quic_crypto_server_stream.h

Index: net/quic/core/quic_crypto_server_stream.h
diff --git a/net/quic/core/quic_crypto_server_stream.h b/net/quic/core/quic_crypto_server_stream.h
index 0c8d5044a12250dcf5e3477bbaf239ccfdbe200e..0da8d4bb581919dc76cbf4581992f0d0e4039c55 100644
--- a/net/quic/core/quic_crypto_server_stream.h
+++ b/net/quic/core/quic_crypto_server_stream.h
@@ -124,6 +124,15 @@ class NET_EXPORT_PRIVATE QuicCryptoServerStream
   void SetPreviousCachedNetworkParams(
       CachedNetworkParameters cached_network_params) override;
 
+  // NOTE: Indicating that the Expect-CT header should be sent here presents
+  // a layering violation to some extent. The Expect-CT header only applies to
+  // HTTP connections, while this class can be used for non-HTTP applications.
+  // However, it is exposed here because that is the only place where the
+  // configuration for the certificate used in the connection is accessible.
+  bool ShouldSendExpectCTHeader() const {
+    return signed_config_->send_expect_ct_header;
+  }
+
  protected:
   virtual void ProcessClientHello(
       scoped_refptr<ValidateClientHelloResultCallback::Result> result,