Move preference MACs to the protected preference stores.

base/prefs/json_pref_store_unittest.cc

 // 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.
 
 #include "base/prefs/json_pref_store.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
@@ skipping 22 matching lines @@
  public:
   InterceptingPrefFilter();
   virtual ~InterceptingPrefFilter();
 
   // PrefFilter implementation:
   virtual void FilterOnLoad(
       const PostFilterOnLoadCallback& post_filter_on_load_callback,
       scoped_ptr<base::DictionaryValue> pref_store_contents) OVERRIDE;
   virtual void FilterUpdate(const std::string& path) OVERRIDE {}
   virtual void FilterSerializeData(
-      const base::DictionaryValue* pref_store_contents) OVERRIDE {}
+      base::DictionaryValue* pref_store_contents) OVERRIDE {}
 
   bool has_intercepted_prefs() const { return intercepted_prefs_ != NULL; }
 
   // Finalize an intercepted read, handing |intercept_prefs_| back to its
   // JsonPrefStore.
   void ReleasePrefs();
 
  private:
   PostFilterOnLoadCallback post_filter_on_load_callback_;
   scoped_ptr<base::DictionaryValue> intercepted_prefs_;
@@ skipping 409 matching lines @@
   //     "new_windows_in_tabs": true,
   //     "max_tabs": 20
   //   }
   // }
 
   RunBasicJsonPrefStoreTest(
       pref_store.get(), input_file, data_dir_.AppendASCII("write.golden.json"));
 }
 
 }  // namespace base