Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/extensions/test_extension_dir.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/extensions/test_extension_dir.h"
 
 #include "base/file_util.h"
 #include "base/json/json_writer.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/test/values_test_util.h"
@@ skipping 14 matching lines @@
   // TODO(kalman): Write some more convenient way to specify a manifest than
   // via JSON, which requires awkwardly escaping all quotes. E.g. add a feature
   // to JSONReader that can parse '' literals rather than "".
   WriteFile(FILE_PATH_LITERAL("manifest.json"), manifest);
 }
 
 void TestExtensionDir::WriteFile(const base::FilePath::StringType& filename,
                                  base::StringPiece contents) {
   EXPECT_EQ(
       base::checked_cast<int>(contents.size()),
-      file_util::WriteFile(
+      base::WriteFile(
           dir_.path().Append(filename), contents.data(), contents.size()));
 }
 
 // This function packs the extension into a .crx, and returns the path to that
 // .crx. Multiple calls to Pack() will produce extensions with the same ID.
 base::FilePath TestExtensionDir::Pack() {
   ExtensionCreator creator;
   base::FilePath crx_path =
       crx_dir_.path().Append(FILE_PATH_LITERAL("ext.crx"));
   base::FilePath pem_path =
@@ skipping 13 matching lines @@
     return base::FilePath();
   }
   if (!base::PathExists(crx_path)) {
     ADD_FAILURE() << crx_path.value() << " was not created.";
     return base::FilePath();
   }
   return crx_path;
 }
 
 }  // namespace extensions