Move the bits of Prefs where production code has only trivially easy

base/prefs/json_pref_store.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_JSON_PREF_STORE_H_
-#define CHROME_COMMON_JSON_PREF_STORE_H_
+#ifndef BASE_PREFS_JSON_PREF_STORE_H_
+#define BASE_PREFS_JSON_PREF_STORE_H_
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
+#include "base/prefs/persistent_pref_store.h"
 #include "chrome/common/important_file_writer.h"
-#include "chrome/common/persistent_pref_store.h"
 
 namespace base {
 class DictionaryValue;
 class MessageLoopProxy;
 class Value;
 }
 
 class FilePath;
 
 // A writable PrefStore implementation that is used for user preferences.
@@ skipping 55 matching lines @@
   scoped_ptr<ReadErrorDelegate> error_delegate_;
 
   bool initialized_;
   PrefReadError read_error_;
 
   std::set<std::string> keys_need_empty_value_;
 
   DISALLOW_COPY_AND_ASSIGN(JsonPrefStore);
 };
 
-#endif  // CHROME_COMMON_JSON_PREF_STORE_H_
+#endif  // BASE_PREFS_JSON_PREF_STORE_H_