Move ReadFileToString to the base namespace.

net/socket/ssl_client_socket_openssl_unittest.cc

 // Copyright (c) 2012 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 "net/socket/ssl_client_socket.h"
 
 #include <errno.h>
 #include <string.h>
 
 #include <openssl/bio.h>
@@ skipping 49 matching lines @@
 const SSLConfig kDefaultSSLConfig;
 
 // Loads a PEM-encoded private key file into a scoped EVP_PKEY object.
 // |filepath| is the private key file path.
 // |*pkey| is reset to the new EVP_PKEY on success, untouched otherwise.
 // Returns true on success, false on failure.
 bool LoadPrivateKeyOpenSSL(
     const base::FilePath& filepath,
     OpenSSLClientKeyStore::ScopedEVP_PKEY* pkey) {
   std::string data;
-  if (!file_util::ReadFileToString(filepath, &data)) {
+  if (!base::ReadFileToString(filepath, &data)) {
     LOG(ERROR) << "Could not read private key file: "
                << filepath.value() << ": " << strerror(errno);
     return false;
   }
   ScopedBIO bio(
       BIO_new_mem_buf(
           const_cast<char*>(reinterpret_cast<const char*>(data.data())),
           static_cast<int>(data.size())));
   if (!bio.get()) {
     LOG(ERROR) << "Could not allocate BIO for buffer?";
@@ skipping 189 matching lines @@
   EXPECT_TRUE(sock_->IsConnected());
 
   EXPECT_TRUE(CheckSSLClientSocketSentCert());
 
   sock_->Disconnect();
   EXPECT_FALSE(sock_->IsConnected());
 }
 
 }  // namespace
 }  // namespace net