Remove uses of PlatformFile from leveldb

third_party/leveldatabase/env_chromium_stdio.h

 // Copyright (c) 2013 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.
 
 #ifndef THIRD_PARTY_LEVELDATABASE_ENV_CHROMIUM_STDIO_H_
 #define THIRD_PARTY_LEVELDATABASE_ENV_CHROMIUM_STDIO_H_
 
 #include "env_chromium.h"
 
 namespace leveldb_env {
@@ skipping 37 matching lines @@
                                             leveldb::SequentialFile** result);
   virtual leveldb::Status NewRandomAccessFile(
       const std::string& fname,
       leveldb::RandomAccessFile** result);
   virtual leveldb::Status NewWritableFile(const std::string& fname,
                                           leveldb::WritableFile** result);
   virtual leveldb::Status NewLogger(const std::string& fname,
                                     leveldb::Logger** result);
 
  protected:
-  virtual base::PlatformFileError GetDirectoryEntries(
+  virtual base::File::Error GetDirectoryEntries(
       const base::FilePath& dir_param,
       std::vector<base::FilePath>* result) const;
 
  private:
   // BGThread() is the body of the background thread
   void BGThread();
   static void BGThreadWrapper(void* arg) {
     reinterpret_cast<ChromiumEnvStdio*>(arg)->BGThread();
   }
   void RecordOpenFilesLimit(const std::string& type);
 };
 
 }  // namespace leveldb_env
 
 #endif