Move GetFileSize, NormalizeFilePath to base namespace

chrome/browser/safe_browsing/prefix_set.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 "chrome/browser/safe_browsing/prefix_set.h"
 
 #include <algorithm>
 #include <math.h>
 
 #include "base/file_util.h"
@@ skipping 136 matching lines @@
     for (size_t di = index_[ii].second; di < deltas_end; ++di) {
       current += deltas_[di];
       prefixes->push_back(current);
     }
   }
 }
 
 // static
 PrefixSet* PrefixSet::LoadFile(const base::FilePath& filter_name) {
   int64 size_64;
-  if (!file_util::GetFileSize(filter_name, &size_64))
+  if (!base::GetFileSize(filter_name, &size_64))
     return NULL;
   using base::MD5Digest;
   if (size_64 < static_cast<int64>(sizeof(FileHeader) + sizeof(MD5Digest)))
     return NULL;
 
   file_util::ScopedFILE file(file_util::OpenFile(filter_name, "rb"));
   if (!file.get())
     return NULL;
 
   FileHeader header;
@@ skipping 122 matching lines @@
   if (written != 1)
     return false;
 
   // TODO(shess): Can this code check that the close was successful?
   file.reset();
 
   return true;
 }
 
 }  // namespace safe_browsing