Removing NSS files and USE_OPENSSL flag

net/quic/quic_stream_factory.cc

Index: net/quic/quic_stream_factory.cc
diff --git a/net/quic/quic_stream_factory.cc b/net/quic/quic_stream_factory.cc
index 8db6c694858eb8f90b9d379bb7e6a4932c62d61b..7a0be5a69606e617ff9f3400f207d87c6ac465d6 100644
--- a/net/quic/quic_stream_factory.cc
+++ b/net/quic/quic_stream_factory.cc
@@ -57,12 +57,8 @@
 #include "base/win/windows_version.h"
 #endif
 
-#if defined(USE_OPENSSL)
 #include <openssl/aead.h>
 #include "crypto/openssl_util.h"
-#else
-#include "base/cpu.h"
-#endif
 
 using std::min;
 using std::vector;
@@ -680,13 +676,8 @@ QuicStreamFactory::QuicStreamFactory(
   }
   if (enable_token_binding && channel_id_service && IsTokenBindingSupported())
     crypto_config_.tb_key_params.push_back(kP256);
-#if defined(USE_OPENSSL)
   crypto::EnsureOpenSSLInit();
   bool has_aes_hardware_support = !!EVP_has_aes_hardware();
-#else
-  base::CPU cpu;
-  bool has_aes_hardware_support = cpu.has_aesni() && cpu.has_avx();
-#endif
   UMA_HISTOGRAM_BOOLEAN("Net.QuicSession.PreferAesGcm",
                         has_aes_hardware_support);
   if (has_aes_hardware_support || prefer_aes_)