Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/policy/cloud/cloud_policy_browsertest.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/callback.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 228 matching lines @@
     return profile_connector->policy_service();
   }
 
   invalidation::FakeInvalidationService* GetInvalidationService() {
     return static_cast<invalidation::FakeInvalidationService*>(
         invalidation::InvalidationServiceFactory::GetForProfile(
             browser()->profile()));
   }
 
   void SetServerPolicy(const std::string& policy) {
-    int result = file_util::WriteFile(policy_file_path(), policy.data(),
-                                      policy.size());
+    int result = base::WriteFile(policy_file_path(), policy.data(),
+                                 policy.size());
     ASSERT_EQ(static_cast<int>(policy.size()), result);
   }
 
   base::FilePath policy_file_path() const {
     return temp_dir_.path().AppendASCII("policy.json");
   }
 
   virtual void OnPolicyUpdated(const PolicyNamespace& ns,
                                const PolicyMap& previous,
                                const PolicyMap& current) OVERRIDE {
@@ skipping 164 matching lines @@
 
   // They should now serialize to the same bytes.
   std::string chrome_settings_serialized;
   std::string cloud_policy_serialized;
   ASSERT_TRUE(chrome_settings.SerializeToString(&chrome_settings_serialized));
   ASSERT_TRUE(cloud_policy.SerializeToString(&cloud_policy_serialized));
   EXPECT_EQ(chrome_settings_serialized, cloud_policy_serialized);
 }
 
 }  // namespace policy