Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/chromeos/settings/device_settings_provider_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 "chrome/browser/chromeos/settings/device_settings_provider.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 228 matching lines @@
 
   ReloadDeviceSettings();
   Mock::VerifyAndClearExpectations(this);
 }
 
 TEST_F(DeviceSettingsProviderTest, StatsReportingMigration) {
   // Create the legacy consent file.
   base::FilePath consent_file;
   ASSERT_TRUE(PathService::Get(chrome::DIR_USER_DATA, &consent_file));
   consent_file = consent_file.AppendASCII("Consent To Send Stats");
-  ASSERT_EQ(1, file_util::WriteFile(consent_file, "0", 1));
+  ASSERT_EQ(1, base::WriteFile(consent_file, "0", 1));
 
   // This should trigger migration because the metrics policy isn't in the blob.
   device_settings_test_helper_.set_policy_blob(std::string());
   FlushDeviceSettings();
   EXPECT_EQ(std::string(), device_settings_test_helper_.policy_blob());
 
   // Verify that migration has kicked in.
   const base::Value* saved_value = provider_->Get(kStatsReportingPref);
   ASSERT_TRUE(saved_value);
   bool bool_value;
@@ skipping 19 matching lines @@
                         policy::PolicyBuilder::kFakeUsername);
   entry_dict->SetInteger(kAccountsPrefDeviceLocalAccountsKeyType,
                          policy::DeviceLocalAccount::TYPE_PUBLIC_SESSION);
   expected_accounts.Append(entry_dict.release());
   const base::Value* actual_accounts =
       provider_->Get(kAccountsPrefDeviceLocalAccounts);
   EXPECT_TRUE(base::Value::Equals(&expected_accounts, actual_accounts));
 }
 
 } // namespace chromeos