Move ReadFileToString to the base namespace.

chrome/test/chromedriver/util_unittest.cc

 // Copyright (c) 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 <string>
 
 #include "base/base64.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "chrome/test/chromedriver/chrome/status.h"
 #include "chrome/test/chromedriver/util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(UnzipSoleFile, Entry) {
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   std::string data;
   // A zip entry sent from a Java WebDriver client (v2.20) that contains a
   // file with the contents "COW\n".
   const char* kBase64ZipEntry =
       "UEsDBBQACAAIAJpyXEAAAAAAAAAAAAAAAAAEAAAAdGVzdHP2D+"
       "cCAFBLBwi/wAzGBgAAAAQAAAA=";
   ASSERT_TRUE(base::Base64Decode(kBase64ZipEntry, &data));
   base::FilePath file;
   Status status = UnzipSoleFile(temp_dir.path(), data, &file);
   ASSERT_EQ(kOk, status.code()) << status.message();
   std::string contents;
-  ASSERT_TRUE(file_util::ReadFileToString(file, &contents));
+  ASSERT_TRUE(base::ReadFileToString(file, &contents));
   ASSERT_STREQ("COW\n", contents.c_str());
 }
 
 TEST(UnzipSoleFile, Archive) {
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   std::string data;
   // A zip archive sent from a Python WebDriver client that contains a
   // file with the contents "COW\n".
   const char* kBase64ZipArchive =
       "UEsDBBQAAAAAAMROi0K/wAzGBAAAAAQAAAADAAAAbW9vQ09XClBLAQIUAxQAAAAAAMROi0K/"
       "wAzGBAAAAAQAAAADAAAAAAAAAAAAAACggQAAAABtb29QSwUGAAAAAAEAAQAxAAAAJQAAAAA"
       "A";
   ASSERT_TRUE(base::Base64Decode(kBase64ZipArchive, &data));
   base::FilePath file;
   Status status = UnzipSoleFile(temp_dir.path(), data, &file);
   ASSERT_EQ(kOk, status.code()) << status.message();
   std::string contents;
-  ASSERT_TRUE(file_util::ReadFileToString(file, &contents));
+  ASSERT_TRUE(base::ReadFileToString(file, &contents));
   ASSERT_STREQ("COW\n", contents.c_str());
 }