Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

chrome/browser/prefs/pref_registry_syncable.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_BROWSER_PREFS_PREF_REGISTRY_SYNCABLE_H_
 #define CHROME_BROWSER_PREFS_PREF_REGISTRY_SYNCABLE_H_
 
 #include <set>
 #include <string>
 
-#include "chrome/browser/prefs/pref_registry.h"
+#include "base/prefs/pref_registry.h"
 
 namespace base {
 class DictionaryValue;
 class FilePath;
 class ListValue;
 class Value;
 }
 
 // A PrefRegistry that forces users to choose whether each registered
 // preference is syncable or not.
@@ skipping 79 matching lines @@
 
   SyncableRegistrationCallback callback_;
 
   // Contains the names of all registered preferences that are syncable.
   std::set<std::string> syncable_preferences_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefRegistrySyncable);
 };
 
 #endif  // CHROME_BROWSER_PREFS_PREF_REGISTRY_SYNCABLE_H_