Convert base::file_util to use File instead of PlatformFile.

remoting/host/pairing_registry_delegate_linux.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 "remoting/host/pairing_registry_delegate_linux.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/important_file_writer.h"
@@ skipping 90 matching lines @@
     LOG(WARNING) << "Failed to parse pairing information: not a dictionary.";
     return PairingRegistry::Pairing();
   }
 
   return PairingRegistry::Pairing::CreateFromValue(*pairing_dictionary);
 }
 
 bool PairingRegistryDelegateLinux::Save(
     const PairingRegistry::Pairing& pairing) {
   base::FilePath registry_path = GetRegistryPath();
-  base::PlatformFileError error;
+  base::File::Error error;
   if (!base::CreateDirectoryAndGetError(registry_path, &error)) {
     LOG(ERROR) << "Could not create pairing registry directory: " << error;
     return false;
   }
 
   std::string pairing_json;
   JSONStringValueSerializer serializer(&pairing_json);
   if (!serializer.Serialize(*pairing.ToValue())) {
     LOG(ERROR) << "Failed to serialize pairing data for "
                << pairing.client_id();
@@ skipping 33 matching lines @@
   registry_path_for_testing_ = registry_path;
 }
 
 
 scoped_ptr<PairingRegistry::Delegate> CreatePairingRegistryDelegate() {
   return scoped_ptr<PairingRegistry::Delegate>(
       new PairingRegistryDelegateLinux());
 }
 
 }  // namespace remoting