Move WriteFile and WriteFileDescriptor from file_util to base namespace.

components/policy/core/common/config_dir_policy_loader_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 "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 127 matching lines @@
 
 void TestHarness::WriteConfigFile(const base::DictionaryValue& dict,
                                   const std::string& file_name) {
   std::string data;
   JSONStringValueSerializer serializer(&data);
   serializer.Serialize(dict);
   const base::FilePath mandatory_dir(test_dir().Append(kMandatoryPath));
   ASSERT_TRUE(base::CreateDirectory(mandatory_dir));
   const base::FilePath file_path(mandatory_dir.AppendASCII(file_name));
   ASSERT_EQ((int) data.size(),
-            file_util::WriteFile(file_path, data.c_str(), data.size()));
+            base::WriteFile(file_path, data.c_str(), data.size()));
 }
 
 std::string TestHarness::NextConfigFileName() {
   EXPECT_LE(next_policy_file_index_, 999);
   return std::string("policy") + base::IntToString(next_policy_file_index_++);
 }
 
 // static
 PolicyProviderTestHarness* TestHarness::Create() {
   return new TestHarness();
@@ skipping 68 matching lines @@
       loop_.message_loop_proxy(), harness_.test_dir(), POLICY_SCOPE_USER);
   scoped_ptr<PolicyBundle> bundle(loader.Load());
   ASSERT_TRUE(bundle.get());
   PolicyBundle expected_bundle;
   expected_bundle.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
       .LoadFrom(&test_dict_foo, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER);
   EXPECT_TRUE(bundle->Equals(expected_bundle));
 }
 
 }  // namespace policy