Use new BoringSSL scopers in //crypto

crypto/openssl_bio_string_unittest.cc

Index: crypto/openssl_bio_string_unittest.cc
diff --git a/crypto/openssl_bio_string_unittest.cc b/crypto/openssl_bio_string_unittest.cc
index 9dfa0e70f73325a7a6d24d840c2636210b68021b..31cd128ce4ebafdfc7bcbe6d8e640e02175204c6 100644
--- a/crypto/openssl_bio_string_unittest.cc
+++ b/crypto/openssl_bio_string_unittest.cc
@@ -6,7 +6,6 @@
 
 #include <openssl/bio.h>
 
-#include "crypto/scoped_openssl_types.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace crypto {
@@ -17,7 +16,7 @@ TEST(OpenSSLBIOString, TestWrite) {
   const std::string expected2("c d e f");
   const std::string expected3("g h i");
   {
-    ScopedBIO bio(BIO_new_string(&s));
+    bssl::UniquePtr<BIO> bio(BIO_new_string(&s));
     ASSERT_TRUE(bio.get());
 
     EXPECT_EQ(static_cast<int>(expected1.size()),
@@ -43,7 +42,7 @@ TEST(OpenSSLBIOString, TestReset) {
   const std::string expected1("a b c\n");
   const std::string expected2("d e f g\n");
   {
-    ScopedBIO bio(BIO_new_string(&s));
+    bssl::UniquePtr<BIO> bio(BIO_new_string(&s));
     ASSERT_TRUE(bio.get());
 
     EXPECT_EQ(static_cast<int>(expected1.size()),