Move GetFileSize, NormalizeFilePath to base namespace

third_party/leveldatabase/env_chromium.cc

 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
 
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
 #include <deque>
 
@@ skipping 845 matching lines @@
   if (!::base::DeleteFile(CreateFilePath(name), false)) {
     result = MakeIOError(name, "Could not delete directory.", kDeleteDir);
     RecordErrorAt(kDeleteDir);
   }
   return result;
 }
 
 Status ChromiumEnv::GetFileSize(const std::string& fname, uint64_t* size) {
   Status s;
   int64_t signed_size;
-  if (!::file_util::GetFileSize(CreateFilePath(fname), &signed_size)) {
+  if (!::base::GetFileSize(CreateFilePath(fname), &signed_size)) {
     *size = 0;
     s = MakeIOError(fname, "Could not determine file size.", kGetFileSize);
     RecordErrorAt(kGetFileSize);
   } else {
     *size = static_cast<uint64_t>(signed_size);
   }
   return s;
 }
 
 Status ChromiumEnv::RenameFile(const std::string& src, const std::string& dst) {
@@ skipping 330 matching lines @@
 Env* IDBEnv() {
   return leveldb_env::idb_env.Pointer();
 }
 
 Env* Env::Default() {
   return leveldb_env::default_env.Pointer();
 }
 
 }  // namespace leveldb