Add a path for a web page to request the enumeration of a directory. This, t...

base/platform_file.h

 // 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.
 
 #ifndef BASE_PLATFORM_FILE_H_
 #define BASE_PLATFORM_FILE_H_
 #pragma once
 
 #include "build/build_config.h"
 #if defined(OS_WIN)
@@ skipping 24 matching lines @@
   PLATFORM_FILE_CREATE_ALWAYS = 8,  // May overwrite an old file.
   PLATFORM_FILE_READ = 16,
   PLATFORM_FILE_WRITE = 32,
   PLATFORM_FILE_EXCLUSIVE_READ = 64,  // EXCLUSIVE is opposite of Windows SHARE
   PLATFORM_FILE_EXCLUSIVE_WRITE = 128,
   PLATFORM_FILE_ASYNC = 256,
   PLATFORM_FILE_TEMPORARY = 512,        // Used on Windows only
   PLATFORM_FILE_HIDDEN = 1024,          // Used on Windows only
   PLATFORM_FILE_DELETE_ON_CLOSE = 2048,
   PLATFORM_FILE_TRUNCATE = 4096,
-  PLATFORM_FILE_WRITE_ATTRIBUTES = 8192 // Used on Windows only
+  PLATFORM_FILE_WRITE_ATTRIBUTES = 8192,  // Used on Windows only
+  PLATFORM_FILE_ENUMERATE = 16384,  // May enumerate directory
 };
 
 // PLATFORM_FILE_ERROR_ACCESS_DENIED is returned when a call fails because of
 // a filesystem restriction. PLATFORM_FILE_ERROR_SECURITY is returned when a
 // browser policy doesn't allow the operation to be executed.
 enum PlatformFileError {
   PLATFORM_FILE_OK = 0,
   PLATFORM_FILE_ERROR_FAILED = -1,
   PLATFORM_FILE_ERROR_IN_USE = -2,
   PLATFORM_FILE_ERROR_EXISTS = -3,
@@ skipping 109 matching lines @@
     return temp;
   }
 
  private:
   PlatformFile* value_;
 };
 
 }  // namespace base
 
 #endif  // BASE_PLATFORM_FILE_H_