RefCounted types should not have public destructors, chrome/browser/extensions

chrome/browser/extensions/extension_preference_api.h

Index: chrome/browser/extensions/extension_preference_api.h
diff --git a/chrome/browser/extensions/extension_preference_api.h b/chrome/browser/extensions/extension_preference_api.h
index 7a4c9f90e58fdad56ec5a21a356aded6bd4504fa..795b0393a556169764bb33ee14496b049a198008 100644
--- a/chrome/browser/extensions/extension_preference_api.h
+++ b/chrome/browser/extensions/extension_preference_api.h
@@ -71,10 +71,9 @@ class PrefTransformerInterface {
 // A base class to provide functionality common to the other *PreferenceFunction
 // classes.
 class PreferenceFunction : public SyncExtensionFunction {
- public:
+ protected:
   virtual ~PreferenceFunction();
 
- protected:
   // Given an |extension_pref_key|, provides its |browser_pref_key| from the
   // static map in extension_preference.cc. Returns true if the corresponding
   // browser pref exists and the extension has the API permission needed to
@@ -86,23 +85,35 @@ class PreferenceFunction : public SyncExtensionFunction {
 
 class GetPreferenceFunction : public PreferenceFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("types.ChromeSetting.get")
+
+ protected:
   virtual ~GetPreferenceFunction();
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("types.ChromeSetting.get")
 };
 
 class SetPreferenceFunction : public PreferenceFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("types.ChromeSetting.set")
+
+ protected:
   virtual ~SetPreferenceFunction();
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("types.ChromeSetting.set")
 };
 
 class ClearPreferenceFunction : public PreferenceFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("types.ChromeSetting.clear")
+
+ protected:
   virtual ~ClearPreferenceFunction();
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("types.ChromeSetting.clear")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFERENCE_API_H__