Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/chromeos/file_manager/zip_file_creator_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 "chrome/browser/chromeos/file_manager/zip_file_creator.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/file_util.h"
@@ skipping 63 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(ZipFileCreatorTest, SomeFilesZip) {
   // Prepare files.
   const base::FilePath kDir1(FILE_PATH_LITERAL("foo"));
   const base::FilePath kFile1(kDir1.AppendASCII("bar"));
   const base::FilePath kFile2(FILE_PATH_LITERAL("random"));
   const int kRandomDataSize = 100000;
   const std::string kRandomData = base::RandBytesAsString(kRandomDataSize);
   base::CreateDirectory(zip_base_dir().Append(kDir1));
-  file_util::WriteFile(zip_base_dir().Append(kFile1), "123", 3);
-  file_util::WriteFile(zip_base_dir().Append(kFile2),
-                       kRandomData.c_str(), kRandomData.size());
+  base::WriteFile(zip_base_dir().Append(kFile1), "123", 3);
+  base::WriteFile(zip_base_dir().Append(kFile2),
+                  kRandomData.c_str(), kRandomData.size());
 
   base::RunLoop run_loop;
   TestObserver observer(content::GetQuitTaskForRunLoop(&run_loop));
 
   std::vector<base::FilePath> paths;
   paths.push_back(kDir1);
   paths.push_back(kFile1);
   paths.push_back(kFile2);
   scoped_refptr<ZipFileCreator> zipper(new ZipFileCreator(
       &observer, zip_base_dir(), paths, zip_archive_path()));
@@ skipping 23 matching lines @@
       EXPECT_TRUE(reader.ExtractCurrentEntryToFilePath(out));
       EXPECT_TRUE(base::ContentsEqual(zip_base_dir().Append(kFile2), out));
     } else {
       ADD_FAILURE();
     }
     ASSERT_TRUE(reader.AdvanceToNextEntry());
   }
 }
 
 }  // namespace file_manager