Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/common/extensions/api/storage/storage_schema_manifest_handler_unittest.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/common/extensions/api/storage/storage_schema_manifest_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
@@ skipping 28 matching lines @@
     std::string error;
     scoped_refptr<Extension> extension = Extension::Create(
         temp_dir_.path(), Manifest::UNPACKED, manifest_,
         Extension::NO_FLAGS, "", &error);
     if (!extension.get())
       return NULL;
     base::FilePath schema_path = temp_dir_.path().AppendASCII("schema.json");
     if (schema.empty()) {
       base::DeleteFile(schema_path, false);
     } else {
-      if (file_util::WriteFile(schema_path, schema.data(), schema.size()) !=
+      if (base::WriteFile(schema_path, schema.data(), schema.size()) !=
           static_cast<int>(schema.size())) {
         return NULL;
       }
     }
     return extension;
   }
 
   testing::AssertionResult Validates(const std::string& schema) {
     scoped_refptr<Extension> extension = CreateExtension(schema);
     if (!extension.get())
@@ skipping 81 matching lines @@
 
   // All good now.
   EXPECT_TRUE(Validates(
       "{"
       "  \"$schema\": \"http://json-schema.org/draft-03/schema#\","
       "  \"type\": \"object\""
       "}"));
 }
 
 }  // namespace extensions