Trim some dependencies on crypto/x509 headers.

chrome/browser/extensions/api/networking_private/networking_private_crypto.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 "chrome/browser/extensions/api/networking_private/networking_private_crypto.h"
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "components/cast_certificate/cast_cert_validator.h"
 #include "crypto/openssl_util.h"
 #include "crypto/rsa_private_key.h"
 #include "net/cert/pem_tokenizer.h"
-#include "third_party/boringssl/src/include/openssl/digest.h"
 #include "third_party/boringssl/src/include/openssl/evp.h"
 #include "third_party/boringssl/src/include/openssl/rsa.h"
-#include "third_party/boringssl/src/include/openssl/x509.h"
 
 namespace {
 
 namespace cast_crypto = ::cast_certificate;
 
 // Parses |pem_data| for a PEM block of |pem_type|.
 // Returns true if a |pem_type| block is found, storing the decoded result in
 // |der_output|.
 bool GetDERFromPEM(const std::string& pem_data,
                    const std::string& pem_type,
@@ skipping 147 matching lines @@
                           rsa, RSA_PKCS1_PADDING);
   if (output_length < 0) {
     LOG(ERROR) << "Error during decryption.";
     return false;
   }
   decrypted_output->resize(output_length);
   return true;
 }
 
 }  // namespace networking_private_crypto