Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/media_galleries/fileapi/iapps_finder_impl_win_browsertest.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 "base/base64.h"
 #include "base/base_paths_win.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
@@ skipping 13 matching lines @@
 
 std::string EncodePath(const base::FilePath& path) {
   std::string input(reinterpret_cast<const char*>(path.value().data()),
                                                   path.value().size()*2);
   std::string result;
   base::Base64Encode(input, &result);
   return result;
 }
 
 void TouchFile(const base::FilePath& file) {
-  ASSERT_EQ(1, file_util::WriteFile(file, " ", 1));
+  ASSERT_EQ(1, base::WriteFile(file, " ", 1));
 }
 
 class ITunesFinderWinTest : public InProcessBrowserTest {
  public:
   ITunesFinderWinTest() : test_finder_callback_called_(false) {}
 
   virtual ~ITunesFinderWinTest() {}
 
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(app_data_dir_.CreateUniqueTempDir());
@@ skipping 11 matching lines @@
 
   const base::FilePath& music_dir() {
     return music_dir_.path();
   }
 
   void WritePrefFile(const std::string& data) {
     base::FilePath pref_dir =
         app_data_dir().AppendASCII("Apple Computer").AppendASCII("iTunes");
     ASSERT_TRUE(base::CreateDirectory(pref_dir));
     ASSERT_EQ(data.size(),
-              file_util::WriteFile(pref_dir.AppendASCII("iTunesPrefs.xml"),
-                                   data.data(), data.size()));
+              base::WriteFile(pref_dir.AppendASCII("iTunesPrefs.xml"),
+                              data.data(), data.size()));
   }
 
   void TouchDefault() {
     base::FilePath default_dir = music_dir().AppendASCII("iTunes");
     ASSERT_TRUE(base::CreateDirectory(default_dir));
     TouchFile(default_dir.AppendASCII("iTunes Music Library.xml"));
   }
 
   void TestFindITunesLibrary() {
     test_finder_callback_called_ = false;
@@ skipping 108 matching lines @@
       "</plist>", EncodePath(library_xml).c_str());
   WritePrefFile(xml);
   TestFindITunesLibrary();
   EXPECT_TRUE(test_finder_callback_called());
   EXPECT_TRUE(EmptyResult());
 }
 
 }  // namespace
 
 }  // namespace iapps