Add support to QUIC for QUIC_VERSION_8: for RSA-PSS signatures, set

net/quic/crypto/crypto_server_config.cc

Index: net/quic/crypto/crypto_server_config.cc
===================================================================
--- net/quic/crypto/crypto_server_config.cc	(revision 216255)
+++ net/quic/crypto/crypto_server_config.cc	(working copy)
@@ -304,6 +304,7 @@
 
 QuicErrorCode QuicCryptoServerConfig::ProcessClientHello(
     const CryptoHandshakeMessage& client_hello,
+    QuicVersion version,
     QuicGuid guid,
     const IPEndPoint& client_ip,
     const QuicClock* clock,
@@ -358,7 +359,8 @@
       !info.client_nonce_well_formed ||
       !info.unique ||
       !requested_config.get()) {
-    BuildRejection(primary_config, client_hello, info, rand, out);
+    BuildRejection(version, primary_config.get(), client_hello, info, rand,
+                   out);
     return QUIC_NO_ERROR;
   }
 
@@ -662,6 +664,7 @@
 }
 
 void QuicCryptoServerConfig::BuildRejection(
+    QuicVersion version,
     const scoped_refptr<Config>& config,
     const CryptoHandshakeMessage& client_hello,
     const ClientHelloInfo& info,
@@ -705,8 +708,9 @@
 
   const vector<string>* certs;
   string signature;
-  if (!proof_source_->GetProof(info.sni.as_string(), config->serialized,
-                               x509_ecdsa_supported, &certs, &signature)) {
+  if (!proof_source_->GetProof(version, info.sni.as_string(),
+                               config->serialized, x509_ecdsa_supported,
+                               &certs, &signature)) {
     return;
   }