net: allow SSL secrets to be exported sooner.

net/socket/ssl_server_socket_nss.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/socket/ssl_server_socket_nss.h"
 
 #if defined(OS_WIN)
 #include <winsock2.h>
 #endif
 
@@ skipping 114 matching lines @@
 
   return rv > OK ? OK : rv;
 }
 
 int SSLServerSocketNSS::ExportKeyingMaterial(const base::StringPiece& label,
                                              const base::StringPiece& context,
                                              unsigned char *out,
                                              unsigned int outlen) {
   if (!IsConnected())
     return ERR_SOCKET_NOT_CONNECTED;
-  std::string label_string(label.data(), label.length());
   SECStatus result = SSL_ExportKeyingMaterial(
-      nss_fd_, label_string.c_str(),
+      nss_fd_, label.data(), label.size(),
       reinterpret_cast<const unsigned char*>(context.data()),
       context.length(), out, outlen);
   if (result != SECSuccess) {
     LogFailedNSSFunction(net_log_, "SSL_ExportKeyingMaterial", "");
     return MapNSSError(PORT_GetError());
   }
   return OK;
 }
 
 int SSLServerSocketNSS::Connect(CompletionCallback* callback) {
@@ skipping 619 matching lines @@
   // We must call EnsureOCSPInit() here, on the IO thread, to get the IO loop
   // by MessageLoopForIO::current().
   // X509Certificate::Verify() runs on a worker thread of CertVerifier.
   EnsureOCSPInit();
 #endif
 
   return OK;
 }
 
 }  // namespace net