Get net_unittests working on Windows BoringSSL port.

net/socket/ssl_session_cache_openssl.cc

 // Copyright 2013 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_session_cache_openssl.h"
 
 #include <list>
 #include <map>
 
 #include <openssl/rand.h>
@@ skipping 232 matching lines @@
     KeyIndex::const_iterator it = key_index_.find(cache_key);
     if (it == key_index_.end())
       return false;
 
     SSL_SESSION* session = *it->second;
     DCHECK(session);
 
     void* session_is_good =
         SSL_SESSION_get_ex_data(session, GetSSLSessionExIndex());
 
-    return session_is_good;
+    return session_is_good != NULL;
   }
 
   void MarkSSLSessionAsGood(SSL* ssl) {
     SSL_SESSION* session = SSL_get_session(ssl);
     CHECK(session);
 
     // Mark the session as good, allowing it to be used for future connections.
     SSL_SESSION_set_ex_data(
         session, GetSSLSessionExIndex(), reinterpret_cast<void*>(1));
   }
@@ skipping 257 matching lines @@
   return impl_->SSLSessionIsInCache(cache_key);
 }
 
 void SSLSessionCacheOpenSSL::MarkSSLSessionAsGood(SSL* ssl) {
   return impl_->MarkSSLSessionAsGood(ssl);
 }
 
 void SSLSessionCacheOpenSSL::Flush() { impl_->Flush(); }
 
 }  // namespace net