Use BoringSSL scopers in //net.

net/ssl/ssl_platform_key_nss.cc

Index: net/ssl/ssl_platform_key_nss.cc
diff --git a/net/ssl/ssl_platform_key_nss.cc b/net/ssl/ssl_platform_key_nss.cc
index 79db0d6e66afbc67232a8c014ccd00649527509e..e5712940458defb074c44cccee5ac62b31c39753 100644
--- a/net/ssl/ssl_platform_key_nss.cc
+++ b/net/ssl/ssl_platform_key_nss.cc
@@ -5,6 +5,8 @@
 #include <keyhi.h>
 #include <openssl/bn.h>
 #include <openssl/ecdsa.h>
+#include <openssl/mem.h>
+#include <openssl/nid.h>
 #include <openssl/rsa.h>
 #include <pk11pub.h>
 #include <prerror.h>
@@ -16,7 +18,6 @@
 #include "base/memory/ptr_util.h"
 #include "base/sequenced_task_runner.h"
 #include "crypto/scoped_nss_types.h"
-#include "crypto/scoped_openssl_types.h"
 #include "net/cert/x509_certificate.h"
 #include "net/ssl/client_key_store.h"
 #include "net/ssl/ssl_platform_key.h"
@@ -71,7 +72,7 @@ class SSLPlatformKeyNSS : public ThreadedSSLPrivateKey::Delegate {
         const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(input.data()));
     digest_item.len = input.size();
 
-    crypto::ScopedOpenSSLBytes free_digest_info;
+    bssl::UniquePtr<uint8_t> free_digest_info;
     if (type_ == SSLPrivateKey::Type::RSA) {
       // PK11_Sign expects the caller to prepend the DigestInfo.
       int hash_nid = NID_undef;
@@ -131,7 +132,7 @@ class SSLPlatformKeyNSS : public ThreadedSSLPrivateKey::Delegate {
       size_t order_len = signature->size() / 2;
 
       // Convert the RAW ECDSA signature to a DER-encoded ECDSA-Sig-Value.
-      crypto::ScopedECDSA_SIG sig(ECDSA_SIG_new());
+      bssl::UniquePtr<ECDSA_SIG> sig(ECDSA_SIG_new());
       if (!sig || !BN_bin2bn(signature->data(), order_len, sig->r) ||
           !BN_bin2bn(signature->data() + order_len, order_len, sig->s)) {
         return ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED;