Move ReadFileToString to the base namespace.

remoting/protocol/ssl_hmac_channel_authenticator_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 "remoting/protocol/ssl_hmac_channel_authenticator.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 40 matching lines @@
 class SslHmacChannelAuthenticatorTest : public testing::Test {
  public:
   SslHmacChannelAuthenticatorTest() {}
   virtual ~SslHmacChannelAuthenticatorTest() {}
 
  protected:
   virtual void SetUp() OVERRIDE {
     base::FilePath certs_dir(net::GetTestCertsDirectory());
 
     base::FilePath cert_path = certs_dir.AppendASCII("unittest.selfsigned.der");
-    ASSERT_TRUE(file_util::ReadFileToString(cert_path, &host_cert_));
+    ASSERT_TRUE(base::ReadFileToString(cert_path, &host_cert_));
 
     base::FilePath key_path = certs_dir.AppendASCII("unittest.key.bin");
     std::string key_string;
-    ASSERT_TRUE(file_util::ReadFileToString(key_path, &key_string));
+    ASSERT_TRUE(base::ReadFileToString(key_path, &key_string));
     std::string key_base64;
     base::Base64Encode(key_string, &key_base64);
     key_pair_ = RsaKeyPair::FromString(key_base64);
     ASSERT_TRUE(key_pair_.get());
   }
 
   void RunChannelAuth(bool expected_fail) {
     client_fake_socket_.reset(new FakeSocket());
     host_fake_socket_.reset(new FakeSocket());
     client_fake_socket_->PairWith(host_fake_socket_.get());
@@ skipping 88 matching lines @@
   host_auth_ = SslHmacChannelAuthenticator::CreateForHost(
       host_cert_, key_pair_, kTestSharedSecret);
 
   RunChannelAuth(true);
 
   ASSERT_TRUE(host_socket_.get() == NULL);
 }
 
 }  // namespace protocol
 }  // namespace remoting