Make vector_as_array use std::vector::data and switch a few directories.

crypto/hmac_openssl.cc

 // Copyright (c) 2011 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/hmac.h"
 
 #include <openssl/hmac.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 30 matching lines @@
   }
 }
 
 bool HMAC::Sign(const base::StringPiece& data,
                 unsigned char* digest,
                 size_t digest_length) const {
   DCHECK(plat_);  // Init must be called before Sign.
 
   ScopedOpenSSLSafeSizeBuffer<EVP_MAX_MD_SIZE> result(digest, digest_length);
   return !!::HMAC(hash_alg_ == SHA1 ? EVP_sha1() : EVP_sha256(),
-                  vector_as_array(&plat_->key), plat_->key.size(),
+                  plat_->key.data(), plat_->key.size(),
                   reinterpret_cast<const unsigned char*>(data.data()),
                   data.size(), result.safe_buffer(), NULL);
 }
 
 }  // namespace crypto