Move WriteFile and WriteFileDescriptor from file_util to base namespace.

components/policy/core/common/policy_loader_win_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 "components/policy/core/common/policy_loader_win.h"
 
 #include <windows.h>
 #include <userenv.h>
 
 #include <algorithm>
@@ skipping 450 matching lines @@
 
 PRegTestHarness::PRegTestHarness()
     : PolicyProviderTestHarness(POLICY_LEVEL_MANDATORY, POLICY_SCOPE_MACHINE) {}
 
 PRegTestHarness::~PRegTestHarness() {}
 
 void PRegTestHarness::SetUp() {
   base::win::SetDomainStateForTesting(false);
   ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
   preg_file_path_ = temp_dir_.path().Append(PolicyLoaderWin::kPRegFileName);
-  ASSERT_TRUE(file_util::WriteFile(preg_file_path_,
+  ASSERT_TRUE(base::WriteFile(preg_file_path_,
                                    preg_parser::kPRegFileHeader,
                                    arraysize(preg_parser::kPRegFileHeader)));
 
   memset(&gpo_, 0, sizeof(GROUP_POLICY_OBJECT));
   gpo_.lpFileSysPath = const_cast<wchar_t*>(temp_dir_.path().value().c_str());
 }
 
 ConfigurationPolicyProvider* PRegTestHarness::CreateProvider(
     SchemaRegistry* registry,
     scoped_refptr<base::SequencedTaskRunner> task_runner) {
@@ skipping 715 matching lines @@
   PolicyMap& expected_policy = expected.Get(ns);
   expected_policy.Set("alternative_browser_path",
                       POLICY_LEVEL_MANDATORY, POLICY_SCOPE_MACHINE,
                       new base::StringValue("c:\\legacy\\browser.exe"), NULL);
   expected_policy.Set("url_list", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_MACHINE,
                       list.DeepCopy(), NULL);
   EXPECT_TRUE(Matches(expected));
 }
 
 }  // namespace policy