Move WriteFile and WriteFileDescriptor from file_util to base namespace.

components/policy/core/common/cloud/resource_cache.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 "components/policy/core/common/cloud/resource_cache.h"
 
 #include "base/base64.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
@@ skipping 67 matching lines @@
   // cache directory. The mechanism is meant to foil file-system-level attacks
   // where a symlink is planted in the cache directory before Chrome has
   // started. An attacker controlling a process running concurrently with Chrome
   // would be able to race against the protection by re-creating the symlink
   // between these two calls. There is nothing in file_util that could be used
   // to protect against such races, especially as the cache is cross-platform
   // and therefore cannot use any POSIX-only tricks.
   int size = base::checked_cast<int>(data.size());
   return VerifyKeyPathAndGetSubkeyPath(key, true, subkey, &subkey_path) &&
          base::DeleteFile(subkey_path, false) &&
-         (file_util::WriteFile(subkey_path, data.data(), size) == size);
+         (base::WriteFile(subkey_path, data.data(), size) == size);
 }
 
 bool ResourceCache::Load(const std::string& key,
                          const std::string& subkey,
                          std::string* data) {
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
   base::FilePath subkey_path;
   // Only read from |subkey_path| if it is not a symlink.
   if (!VerifyKeyPathAndGetSubkeyPath(key, false, subkey, &subkey_path) ||
       base::IsLink(subkey_path)) {
@@ skipping 133 matching lines @@
   if (!VerifyKeyPath(key, allow_create_key, &key_path) ||
       !Base64Encode(subkey, &encoded)) {
     return false;
   }
   *path = key_path.AppendASCII(encoded);
   return true;
 }
 
 
 }  // namespace policy