Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/chromeos/app_mode/kiosk_app_data.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/chromeos/app_mode/kiosk_app_data.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_util.h"
@@ skipping 40 matching lines @@
 void SaveIconToLocalOnBlockingPool(
     const base::FilePath& icon_path,
     scoped_refptr<base::RefCountedString> raw_icon) {
   DCHECK(BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
 
   base::FilePath dir = icon_path.DirName();
   if (!base::PathExists(dir))
     CHECK(base::CreateDirectory(dir));
 
   CHECK_EQ(static_cast<int>(raw_icon->size()),
-           file_util::WriteFile(icon_path,
-                                raw_icon->data().c_str(), raw_icon->size()));
+           base::WriteFile(icon_path,
+                           raw_icon->data().c_str(), raw_icon->size()));
 }
 
 // Returns true for valid kiosk app manifest.
 bool IsValidKioskAppManifest(const extensions::Manifest& manifest) {
   bool kiosk_enabled;
   if (manifest.GetBoolean(extensions::manifest_keys::kKioskEnabled,
                           &kiosk_enabled)) {
     return kiosk_enabled;
   }
 
@@ skipping 420 matching lines @@
   if (!response->GetString(key, value)) {
     LOG(ERROR) << "Webstore response error (" << key
                << "): " << ValueToString(response);
     OnWebstoreResponseParseFailure(kInvalidWebstoreResponseError);
     return false;
   }
   return true;
 }
 
 }  // namespace chromeos