Move WriteFile and WriteFileDescriptor from file_util to base namespace.

extensions/browser/value_store/leveldb_value_store_unittest.cc

 // Copyright 2014 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 "extensions/browser/value_store/value_store_unittest.h"
 
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
@@ skipping 148 matching lines @@
                      ->HasError());
   }
 
   // Close it (so we remove the lock), and replace all files with LolCats.
   CloseStore();
   base::FileEnumerator enumerator(
       database_path(), true /* recursive */, base::FileEnumerator::FILES);
   for (base::FilePath file = enumerator.Next(); !file.empty();
        file = enumerator.Next()) {
     // WriteFile() failure is a result of -1.
-    ASSERT_NE(file_util::WriteFile(file, kLolCats.c_str(), kLolCats.length()),
+    ASSERT_NE(base::WriteFile(file, kLolCats.c_str(), kLolCats.length()),
               -1);
   }
   OpenStore();
 
   // We should definitely have an error.
   ValueStore::ReadResult result = store()->Get();
   ASSERT_TRUE(result->HasError());
   ASSERT_EQ(ValueStore::CORRUPTION, result->error().code);
 
   ASSERT_TRUE(store()->Restore());
   result = store()->Get();
   EXPECT_FALSE(result->HasError());
   // We couldn't recover anything, but we should be in a sane state again.
   EXPECT_EQ(0u, result->settings().size());
 }