reland 31875. Revert was:...

chrome/renderer/spellchecker/spellcheck.h

 // Copyright (c) 2009 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 CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_H_
 #define CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_H_
 
 #include <queue>
 #include <string>
 #include <vector>
 
 #include "app/l10n_util.h"
-#include "base/file_descriptor_posix.h"
+#include "base/platform_file.h"
 #include "base/string16.h"
 #include "base/time.h"
 #include "chrome/renderer/spellchecker/spellcheck_worditerator.h"
 #include "unicode/uscript.h"
 
 class Hunspell;
 
-namespace base {
-class FileDescriptor;
-}
-
 namespace file_util {
 class MemoryMappedFile;
 }
 
 class SpellCheck {
  public:
   SpellCheck();
 
   ~SpellCheck();
 
-  void Init(const base::FileDescriptor& bdict_fd,
+  void Init(base::PlatformFile file,
             const std::vector<std::string>& custom_words,
             const std::string language);
 
   // SpellCheck a word.
   // Returns true if spelled correctly, false otherwise.
   // If the spellchecker failed to initialize, always returns true.
   // The |tag| parameter should either be a unique identifier for the document
   // that the word came from (if the current platform requires it), or 0.
   // In addition, finds the suggested words for a given word
   // and puts them into |*optional_suggestions|.
@@ skipping 48 matching lines @@
 
   // Add the given custom word to |hunspell_|.
   void AddWordToHunspell(const std::string& word);
 
   // We memory-map the BDict file.
   scoped_ptr<file_util::MemoryMappedFile> bdict_file_;
 
   // The hunspell dictionary in use.
   scoped_ptr<Hunspell> hunspell_;
 
-  base::FileDescriptor fd_;
+  base::PlatformFile file_;
   std::vector<std::string> custom_words_;
 
   // Represents character attributes used for filtering out characters which
   // are not supported by this SpellCheck object.
   SpellcheckCharAttribute character_attributes_;
 
   // Remember state for auto spell correct.
   bool auto_spell_correct_turned_on_;
 
   // True if a platform-specific spellchecking engine is being used,
   // and False if hunspell is being used.
   bool is_using_platform_spelling_engine_;
 
   // This flags whether we have ever been initialized, or have asked the browser
   // for a dictionary. The value indicates whether we should request a
   // dictionary from the browser when the render view asks us to check the
   // spelling of a word.
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(SpellCheck);
 };
 
 #endif  // CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_H_