Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/ui/libgtk2ui/app_indicator_icon.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 "chrome/browser/ui/libgtk2ui/app_indicator_icon.h"
 
 #include <gtk/gtk.h>
 #include <dlfcn.h>
 
 #include "base/bind.h"
@@ skipping 126 matching lines @@
   base::FilePath new_file_path;
 
   // Create a new temporary directory for each image since using a single
   // temporary directory seems to have issues when changing icons in quick
   // succession.
   if (!base::CreateNewTempDirectory(base::FilePath::StringType(), &temp_dir))
     return base::FilePath();
   new_file_path =
       temp_dir.Append(id + base::StringPrintf("_%d.png", icon_change_count));
   int bytes_written =
-      file_util::WriteFile(new_file_path,
-                           png_data->front_as<char>(),
-                           png_data->size());
+      base::WriteFile(new_file_path,
+                      png_data->front_as<char>(), png_data->size());
 
   if (bytes_written != static_cast<int>(png_data->size()))
     return base::FilePath();
   return new_file_path;
 }
 
 void DeleteTempImagePath(const base::FilePath& icon_file_path) {
   if (icon_file_path.empty())
     return;
   base::DeleteFile(icon_file_path, true);
@@ skipping 203 matching lines @@
   int id;
   if (!GetMenuItemID(menu_item, &id))
     return;
 
   // The menu item can still be activated by hotkeys even if it is disabled.
   if (menu_model_->IsEnabledAt(id))
     ExecuteCommand(model, id);
 }
 
 }  // namespace libgtk2ui