Include BoringSSL headers from third_party/ in crypto.

crypto/openssl_bio_string_unittest.cc

 // Copyright 2014 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 "crypto/openssl_bio_string.h"
 
-#include <openssl/bio.h>
-
 #include "crypto/scoped_openssl_types.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/boringssl/src/include/openssl/bio.h"
 
 namespace crypto {
 
 TEST(OpenSSLBIOString, TestWrite) {
   std::string s;
   const std::string expected1("a one\nb 2\n");
   const std::string expected2("c d e f");
   const std::string expected3("g h i");
   {
     ScopedBIO bio(BIO_new_string(&s));
@@ skipping 33 matching lines @@
     EXPECT_EQ(std::string(), s);
 
     EXPECT_EQ(static_cast<int>(expected2.size()),
               BIO_write(bio.get(), expected2.data(), expected2.size()));
     EXPECT_EQ(expected2, s);
   }
   EXPECT_EQ(expected2, s);
 }
 
 }  // namespace crypto