Update from https://crrev.com/308996

net/quic/crypto/proof_source.h

Index: net/quic/crypto/proof_source.h
diff --git a/net/quic/crypto/proof_source.h b/net/quic/crypto/proof_source.h
index 4482dd99561fdf3a7a49f60f7ae54fd2727d414e..fe36c9af9c220b025349609fc55430b42ae64af6 100644
--- a/net/quic/crypto/proof_source.h
+++ b/net/quic/crypto/proof_source.h
@@ -8,6 +8,7 @@
 #include <string>
 #include <vector>
 
+#include "net/base/ip_endpoint.h"
 #include "net/base/net_export.h"
 
 namespace net {
@@ -45,7 +46,8 @@ class NET_EXPORT_PRIVATE ProofSource {
   // used.
   //
   // This function may be called concurrently.
-  virtual bool GetProof(const std::string& hostname,
+  virtual bool GetProof(const IPEndPoint& server_ip,
+                        const std::string& hostname,
                         const std::string& server_config,
                         bool ecdsa_ok,
                         const std::vector<std::string>** out_certs,