Move WriteFile and WriteFileDescriptor from file_util to base namespace.

components/policy/core/common/cloud/user_cloud_policy_store.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 "components/policy/core/common/cloud/user_cloud_policy_store.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/location.h"
 #include "base/metrics/histogram.h"
@@ skipping 89 matching lines @@
   return result;
 }
 
 bool WriteStringToFile(const base::FilePath path, const std::string& data) {
  if (!base::CreateDirectory(path.DirName())) {
     DLOG(WARNING) << "Failed to create directory " << path.DirName().value();
     return false;
   }
 
   int size = data.size();
-  if (file_util::WriteFile(path, data.c_str(), size) != size) {
+  if (base::WriteFile(path, data.c_str(), size) != size) {
     DLOG(WARNING) << "Failed to write " << path.value();
     return false;
   }
 
   return true;
 }
 
 // Stores policy to the backing file (must be called via a task on
 // the background thread).
 void StorePolicyToDiskOnBackgroundThread(
@@ skipping 313 matching lines @@
   InstallPolicy(validator->policy_data().Pass(), validator->payload().Pass());
 
   // If the key was rotated, update our local cache of the key.
   if (validator->policy()->has_new_public_key())
     policy_key_ = validator->policy()->new_public_key();
   status_ = STATUS_OK;
   NotifyStoreLoaded();
 }
 
 }  // namespace policy