QUIC - use QuicSessionKey tuple (host, port, is_https) instead of server_hostname

net/quic/crypto/quic_server_info.cc

Index: net/quic/crypto/quic_server_info.cc
diff --git a/net/quic/crypto/quic_server_info.cc b/net/quic/crypto/quic_server_info.cc
index 6093008503ab9059a53ca4ac30cac3ebca944431..ab2a06287e0fe450f72b655c12cdc659182fe8f4 100644
--- a/net/quic/crypto/quic_server_info.cc
+++ b/net/quic/crypto/quic_server_info.cc
@@ -29,7 +29,8 @@ void QuicServerInfo::State::Clear() {
   certs.clear();
 }
 
-QuicServerInfo::QuicServerInfo(const string& hostname) : hostname_(hostname) {
+QuicServerInfo::QuicServerInfo(const QuicSessionKey& server_key)
+    : server_key_(server_key) {
 }
 
 QuicServerInfo::~QuicServerInfo() {