Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/sync/glue/sync_backend_host_impl_unittest.cc

 // Copyright 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/sync/glue/sync_backend_host_impl.h"
 
 #include <cstddef>
 
 #include "base/file_util.h"
 #include "base/location.h"
@@ skipping 679 matching lines @@
 }
 
 // It is SyncBackendHostCore responsibility to cleanup Sync Data folder if sync
 // setup hasn't been completed. This test ensures that cleanup happens.
 TEST_F(SyncBackendHostTest, TestStartupWithOldSyncData) {
   const char* nonsense = "slon";
   base::FilePath temp_directory =
       profile_->GetPath().AppendASCII("Sync Data");
   base::FilePath sync_file = temp_directory.AppendASCII("SyncData.sqlite3");
   ASSERT_TRUE(base::CreateDirectory(temp_directory));
-  ASSERT_NE(-1, file_util::WriteFile(sync_file, nonsense, strlen(nonsense)));
+  ASSERT_NE(-1, base::WriteFile(sync_file, nonsense, strlen(nonsense)));
 
   InitializeBackend(true);
 
   EXPECT_FALSE(base::PathExists(sync_file));
 }
 
 }  // namespace
 
 }  // namespace browser_sync