Revert of purge nss files and dependencies

webrtc/base/ssladapter.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #if HAVE_CONFIG_H
 #include "config.h"
 #endif  // HAVE_CONFIG_H
 
 #include "webrtc/base/ssladapter.h"
 
 #include "webrtc/base/sslconfig.h"
 
 #if SSL_USE_SCHANNEL
 
 #include "schanneladapter.h"
 
 #elif SSL_USE_OPENSSL  // && !SSL_USE_SCHANNEL
 
 #include "openssladapter.h"
 
-#endif  // SSL_USE_OPENSSL && !SSL_USE_SCHANNEL
+#elif SSL_USE_NSS     // && !SSL_USE_CHANNEL && !SSL_USE_OPENSSL
+
+#include "nssstreamadapter.h"
+
+#endif  // SSL_USE_OPENSSL && !SSL_USE_SCHANNEL && !SSL_USE_NSS
 
 ///////////////////////////////////////////////////////////////////////////////
 
 namespace rtc {
 
 SSLAdapter*
 SSLAdapter::Create(AsyncSocket* socket) {
 #if SSL_USE_SCHANNEL
   return new SChannelAdapter(socket);
 #elif SSL_USE_OPENSSL  // && !SSL_USE_SCHANNEL
@@ skipping 13 matching lines @@
 }
 
 bool InitializeSSLThread() {
   return OpenSSLAdapter::InitializeSSLThread();
 }
 
 bool CleanupSSL() {
   return OpenSSLAdapter::CleanupSSL();
 }
 
-#else  // !SSL_USE_OPENSSL
+#elif SSL_USE_NSS  // !SSL_USE_OPENSSL
+
+bool InitializeSSL(VerificationCallback callback) {
+  return NSSContext::InitializeSSL(callback);
+}
+
+bool InitializeSSLThread() {
+  return NSSContext::InitializeSSLThread();
+}
+
+bool CleanupSSL() {
+  return NSSContext::CleanupSSL();
+}
+
+#else  // !SSL_USE_OPENSSL && !SSL_USE_NSS
 
 bool InitializeSSL(VerificationCallback callback) {
   return true;
 }
 
 bool InitializeSSLThread() {
   return true;
 }
 
 bool CleanupSSL() {
   return true;
 }
 
-#endif  // !SSL_USE_OPENSSL
+#endif  // !SSL_USE_OPENSSL && !SSL_USE_NSS
 
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace rtc