chrome/browser: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

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>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop_proxy.h"
 #include "base/observer_list.h"
 #include "base/prefs/persistent_pref_store.h"
 #include "base/prefs/pref_value_map.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/timer/timer.h"
 
 namespace base {
 class DictionaryValue;
 class SequencedTaskRunner;
 class Value;
 }
 
 namespace leveldb {
 class DB;
@@ skipping 81 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_