Add the ability to schedule any pending lossy prefs to be written.

chrome/browser/prefs/leveldb_pref_store.h

 // Copyright 2014 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_BROWSER_PREFS_LEVELDB_PREF_STORE_H_
 #define CHROME_BROWSER_PREFS_LEVELDB_PREF_STORE_H_
 
 #include <set>
 #include <string>
 
@@ skipping 42 matching lines @@
                 uint32 flags) override;
   void SetValueSilently(const std::string& key,
                         base::Value* value,
                         uint32 flags) override;
   void RemoveValue(const std::string& key, uint32 flags) override;
   bool ReadOnly() const override;
   PrefReadError GetReadError() const override;
   PrefReadError ReadPrefs() override;
   void ReadPrefsAsync(ReadErrorDelegate* error_delegate) override;
   void CommitPendingWrite() override;
+  void SchedulePendingLossyWrites() override;
   void ReportValueChanged(const std::string& key, uint32 flags) override;
 
  private:
   struct ReadingResults;
   class FileThreadSerializer;
 
   ~LevelDBPrefStore() override;
 
   static scoped_ptr<ReadingResults> DoReading(const base::FilePath& path);
   static void OpenDB(const base::FilePath& path,
@@ skipping 37 matching lines @@
   base::hash_set<std::string> keys_to_delete_;
   base::hash_map<std::string, std::string> keys_to_set_;
   base::OneShotTimer<LevelDBPrefStore> timer_;
 
   base::WeakPtrFactory<LevelDBPrefStore> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LevelDBPrefStore);
 };
 
 #endif  // CHROME_BROWSER_PREFS_LEVELDB_PREF_STORE_H_