Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/profiles/profile_browsertest.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 "chrome/browser/profiles/profile.h"
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/platform_file.h"
 #include "base/prefs/pref_service.h"
@@ skipping 20 matching lines @@
 };
 
 // Creates a prefs file in the given directory.
 void CreatePrefsFileInDirectory(const base::FilePath& directory_path) {
   base::FilePath pref_path(directory_path.Append(chrome::kPreferencesFilename));
   base::PlatformFile file = base::CreatePlatformFile(pref_path,
       base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_WRITE, NULL, NULL);
   ASSERT_TRUE(file != base::kInvalidPlatformFileValue);
   ASSERT_TRUE(base::ClosePlatformFile(file));
   std::string data("{}");
-  ASSERT_TRUE(file_util::WriteFile(pref_path, data.c_str(), data.size()));
+  ASSERT_TRUE(base::WriteFile(pref_path, data.c_str(), data.size()));
 }
 
 void CheckChromeVersion(Profile *profile, bool is_new) {
   std::string created_by_version;
   if (is_new) {
     chrome::VersionInfo version_info;
     created_by_version = version_info.Version();
   } else {
     created_by_version = "1.0.0.0";
   }
@@ skipping 192 matching lines @@
   std::string final_value(prefs->GetString(prefs::kSessionExitType));
   EXPECT_EQ(crash_value, final_value);
 
   // This test runs fast enough that the WebDataService may still be
   // initializing (which uses the temp directory) when the test
   // ends. Give it a chance to complete.
   profile.reset();
   content::RunAllPendingInMessageLoop();
   content::RunAllPendingInMessageLoop(content::BrowserThread::DB);
 }