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

chrome/browser/extensions/system/system_api.h

Index: chrome/browser/extensions/system/system_api.h
diff --git a/chrome/browser/extensions/system/system_api.h b/chrome/browser/extensions/system/system_api.h
index 24fdfb2a737742c88b48851e07e236c8e9303403..5e26978d8aa8107d4d47752836e0c5b29a1b0560 100644
--- a/chrome/browser/extensions/system/system_api.h
+++ b/chrome/browser/extensions/system/system_api.h
@@ -14,17 +14,25 @@ namespace extensions {
 
 class GetIncognitoModeAvailabilityFunction : public SyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("systemPrivate.getIncognitoModeAvailability")
+
+ protected:
   virtual ~GetIncognitoModeAvailabilityFunction() {}
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("systemPrivate.getIncognitoModeAvailability")
 };
 
 // API function which returns the status of system update.
 class GetUpdateStatusFunction : public SyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("systemPrivate.getUpdateStatus")
+
+ protected:
   virtual ~GetUpdateStatusFunction() {}
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("systemPrivate.getUpdateStatus")
 };
 
 void DispatchBrightnessChangedEvent(int brightness, bool user_initiated);