Move directory creation functions to base namespace.

remoting/host/win/elevated_controller.cc

 // Copyright (c) 2012 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/win/elevated_controller.h"
 
 #include "base/file_util.h"
 #include "base/file_version_info.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 336 matching lines @@
   if (version_out == NULL) {
     return E_OUTOFMEMORY;
   }
 
   return S_OK;
 }
 
 STDMETHODIMP ElevatedController::SetConfig(BSTR config) {
   // Determine the config directory path and create it if necessary.
   base::FilePath config_dir = remoting::GetConfigDir();
-  if (!file_util::CreateDirectory(config_dir)) {
+  if (!base::CreateDirectory(config_dir)) {
     return HRESULT_FROM_WIN32(ERROR_ACCESS_DENIED);
   }
 
   std::string file_content = UTF16ToUTF8(
     string16(static_cast<char16*>(config), ::SysStringLen(config)));
 
   return WriteConfig(file_content.c_str(), file_content.size(), owner_window_);
 }
 
 STDMETHODIMP ElevatedController::SetOwnerWindow(LONG_PTR window_handle) {
@@ skipping 160 matching lines @@
         << "Failed to open to the '" << kWindowsServiceName << "' service";
 
     return HRESULT_FROM_WIN32(error);
   }
 
   service_out->Set(service.Take());
   return S_OK;
 }
 
 } // namespace remoting