Move Posix file utils to the base namespace.

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 2013 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/extensions/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 2564 matching lines @@
   ASSERT_TRUE(base::PathExists(source_icon));
 
   // Set up the temporary extension directory.
   base::ScopedTempDir temp;
   ASSERT_TRUE(temp.CreateUniqueTempDir());
   base::FilePath extension_path = temp.path();
   base::FilePath manifest = extension_path.Append(
       extensions::kManifestFilename);
   base::FilePath icon_symlink = extension_path.AppendASCII("icon.png");
   base::CopyFile(source_manifest, manifest);
-  file_util::CreateSymbolicLink(source_icon, icon_symlink);
+  base::CreateSymbolicLink(source_icon, icon_symlink);
 
   // Load extension.
   InitializeEmptyExtensionService();
   extensions::UnpackedInstaller::Create(service_)->Load(extension_path);
   base::RunLoop().RunUntilIdle();
 
   EXPECT_TRUE(GetErrors().empty());
   ASSERT_EQ(1u, loaded_.size());
   EXPECT_EQ(1u, service_->extensions()->size());
 }
@@ skipping 4162 matching lines @@
   service_->ReconcileKnownDisabled();
   expected_extensions.insert(good2);
   expected_disabled_extensions.erase(good2);
 
   EXPECT_EQ(expected_extensions, service_->extensions()->GetIDs());
   EXPECT_EQ(expected_disabled_extensions,
             service_->disabled_extensions()->GetIDs());
 }
 
 #endif // #if !(defined(OS_LINUX) && defined(USE_AURA) && !defined(OS_CHROMEOS))