Fix openssl portability issue

base/crypto/signature_verifier_openssl.cc

 // Copyright (c) 2010 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 "base/crypto/signature_verifier.h"
 
 #include <openssl/evp.h>
 #include <openssl/x509.h>
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/openssl_util.h"
 #include "base/scoped_ptr.h"
+#include "base/stl_util-inl.h"
 
 namespace base {
 
 struct SignatureVerifier::VerifyContext {
   ScopedOpenSSL<EVP_PKEY, EVP_PKEY_free> public_key;
   ScopedOpenSSL<EVP_MD_CTX, EVP_MD_CTX_destroy> ctx;
 };
 
 SignatureVerifier::SignatureVerifier()
     : verify_context_(NULL) {
@@ skipping 45 matching lines @@
   OpenSSLErrStackTracer err_tracer(FROM_HERE);
   int rv = EVP_VerifyUpdate(verify_context_->ctx.get(),
                             data_part, data_part_len);
   DCHECK_EQ(rv, 1);
 }
 
 bool SignatureVerifier::VerifyFinal() {
   DCHECK(verify_context_);
   OpenSSLErrStackTracer err_tracer(FROM_HERE);
   int rv = EVP_VerifyFinal(verify_context_->ctx.get(),
-                           signature_.data(), signature_.size(),
+                           vector_as_array(&signature_), signature_.size(),
                            verify_context_->public_key.get());
   DCHECK_GE(rv, 0);
   Reset();
   return rv == 1;
 }
 
 void SignatureVerifier::Reset() {
   delete verify_context_;
   verify_context_ = NULL;
   signature_.clear();
 }
 
 }  // namespace base