Cleanup: Remove base/file_util.h. Convert remaining references.

third_party/zlib/google/zip_reader_unittest.cc

 // Copyright (c) 2011 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 "third_party/zlib/google/zip_reader.h"
 
 #include <set>
 #include <string>
 
 #include "base/bind.h"
-#include "base/file_util.h"
 #include "base/files/file.h"
+#include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/md5.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
@@ skipping 544 matching lines @@
 
     // More than necessary byte read limit: must pass.
     EXPECT_TRUE(reader.ExtractCurrentEntryToString(16, &contents));
     EXPECT_EQ(i, contents.size());
     EXPECT_EQ(0, memcmp(contents.c_str(), "0123456", i));
   }
   reader.Close();
 }
 
 }  // namespace zip