Sync user's custom spellcheck dictionary

chrome/common/spellcheck_common.h

 // 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.
 
 #ifndef CHROME_COMMON_SPELLCHECK_COMMON_H_
 #define CHROME_COMMON_SPELLCHECK_COMMON_H_
 
 #include <string>
 #include <vector>
 
 class FilePath;
 
 namespace chrome {
 namespace spellcheck_common {
 
 // Max number of dictionary suggestions.
 static const int kMaxSuggestions = 5;
 
 static const int kMaxAutoCorrectWordSize = 8;
 
+// Maximum number of words in the custom spellcheck dictionary that can be
+// synced.
+static const size_t MAX_SYNCABLE_DICTIONARY_SIZE_IN_WORDS = 1300;
+
 typedef std::vector<std::string> WordList;
 
 FilePath GetVersionedFileName(const std::string& input_language,
                               const FilePath& dict_dir);
 
 std::string GetCorrespondingSpellCheckLanguage(const std::string& language);
 
 // Get SpellChecker supported languages.
 void SpellCheckLanguages(std::vector<std::string>* languages);
 
 }  // namespace spellcheck_common
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_SPELLCHECK_COMMON_H_