RefCounted types should not have public destructors, chrome/browser/ part 5

chrome/browser/prefs/default_pref_store.h

Index: chrome/browser/prefs/default_pref_store.h
diff --git a/chrome/browser/prefs/default_pref_store.h b/chrome/browser/prefs/default_pref_store.h
index 96de6d3c0420995896b1c11629ff68dba56a0d1f..1cde79dbaac1e5ca5100517a604d6dfd25e6d757 100644
--- a/chrome/browser/prefs/default_pref_store.h
+++ b/chrome/browser/prefs/default_pref_store.h
@@ -16,7 +16,6 @@
 class DefaultPrefStore : public ValueMapPrefStore {
  public:
   DefaultPrefStore();
-  virtual ~DefaultPrefStore();
 
   // Stores a new |value| for |key|. Assumes ownership of |value|.
   void SetDefaultValue(const std::string& key, Value* value);
@@ -28,6 +27,9 @@ class DefaultPrefStore : public ValueMapPrefStore {
   // has not been registered.
   base::Value::Type GetType(const std::string& key) const;
 
+ protected:
+  virtual ~DefaultPrefStore();
+
  private:
   DISALLOW_COPY_AND_ASSIGN(DefaultPrefStore);
 };