Move FileEnumerator to its own file, do some refactoring.

third_party/zlib/google/zip.cc

 // Copyright (c) 2012 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.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
+#include "base/files/file_enumerator.h"
 #include "base/logging.h"
 #include "base/string16.h"
 #include "base/string_util.h"
 #include "net/base/file_stream.h"
 #include "third_party/zlib/google/zip_internal.h"
 #include "third_party/zlib/google/zip_reader.h"
 
 #if defined(USE_SYSTEM_MINIZIP)
 #include <minizip/unzip.h>
 #include <minizip/zip.h>
@@ skipping 111 matching lines @@
 
   zipFile zip_file = internal::OpenForZipping(dest_file.AsUTF8Unsafe(),
                                               APPEND_STATUS_CREATE);
 
   if (!zip_file) {
     DLOG(WARNING) << "couldn't create file " << dest_file.value();
     return false;
   }
 
   bool success = true;
-  file_util::FileEnumerator file_enumerator(src_dir, true /* recursive */,
-      file_util::FileEnumerator::FILES |
-      file_util::FileEnumerator::DIRECTORIES);
+  base::FileEnumerator file_enumerator(src_dir, true /* recursive */,
+      base::FileEnumerator::FILES | base::FileEnumerator::DIRECTORIES);
   for (base::FilePath path = file_enumerator.Next(); !path.value().empty();
        path = file_enumerator.Next()) {
     if (!filter_cb.Run(path)) {
       continue;
     }
 
     if (!AddEntryToZip(zip_file, path, src_dir)) {
       success = false;
       return false;
     }
@@ skipping 45 matching lines @@
   if (ZIP_OK != zipClose(zip_file, NULL)) {
     DLOG(ERROR) << "Error closing zip file for fd " << dest_fd;
     success = false;
   }
 
   return success;
 }
 #endif  // defined(OS_POSIX)
 
 }  // namespace zip