Remove GetTLSUniqueChannelBinding.

net/socket/ssl_server_socket_nss.cc

Index: net/socket/ssl_server_socket_nss.cc
diff --git a/net/socket/ssl_server_socket_nss.cc b/net/socket/ssl_server_socket_nss.cc
index 9d29a46ee74e4c18c44df3b51654167879930a09..b19906d8d3f25e85c5b9d2cea0b3e661f8b3975c 100644
--- a/net/socket/ssl_server_socket_nss.cc
+++ b/net/socket/ssl_server_socket_nss.cc
@@ -94,7 +94,6 @@ class SSLServerSocketNSS : public SSLServerSocket {
                            const base::StringPiece& context,
                            unsigned char* out,
                            unsigned int outlen) override;
-  int GetTLSUniqueChannelBinding(std::string* out) override;
 
   // Socket interface (via StreamSocket).
   int Read(IOBuffer* buf,
@@ -285,22 +284,6 @@ int SSLServerSocketNSS::ExportKeyingMaterial(const base::StringPiece& label,
   return OK;
 }
 
-int SSLServerSocketNSS::GetTLSUniqueChannelBinding(std::string* out) {
-  if (!IsConnected())
-    return ERR_SOCKET_NOT_CONNECTED;
-  unsigned char buf[64];
-  unsigned int len;
-  SECStatus result = SSL_GetChannelBinding(nss_fd_,
-                                           SSL_CHANNEL_BINDING_TLS_UNIQUE,
-                                           buf, &len, arraysize(buf));
-  if (result != SECSuccess) {
-    LogFailedNSSFunction(net_log_, "SSL_GetChannelBinding", "");
-    return MapNSSError(PORT_GetError());
-  }
-  out->assign(reinterpret_cast<char*>(buf), len);
-  return OK;
-}
-
 int SSLServerSocketNSS::Connect(const CompletionCallback& callback) {
   NOTIMPLEMENTED();
   return ERR_NOT_IMPLEMENTED;