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

chrome/browser/extensions/execute_code_in_tab_function.h

Index: chrome/browser/extensions/execute_code_in_tab_function.h
diff --git a/chrome/browser/extensions/execute_code_in_tab_function.h b/chrome/browser/extensions/execute_code_in_tab_function.h
index ccdee290870eb2f4b3791cf9365c53e2c91a774b..81cee16c7a4241fc4c8ad4d4501f8ca5c3b23c57 100644
--- a/chrome/browser/extensions/execute_code_in_tab_function.h
+++ b/chrome/browser/extensions/execute_code_in_tab_function.h
@@ -18,11 +18,14 @@ class ExecuteCodeInTabFunction : public AsyncExtensionFunction,
                                  public content::WebContentsObserver {
  public:
   ExecuteCodeInTabFunction();
+
+ protected:
   virtual ~ExecuteCodeInTabFunction();
 
- private:
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
 
+ private:
   // content::WebContentsObserver overrides.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
@@ -65,10 +68,16 @@ class ExecuteCodeInTabFunction : public AsyncExtensionFunction,
 };
 
 class TabsExecuteScriptFunction : public ExecuteCodeInTabFunction {
+ private:
+  virtual ~TabsExecuteScriptFunction() {}
+
   DECLARE_EXTENSION_FUNCTION_NAME("tabs.executeScript")
 };
 
 class TabsInsertCSSFunction : public ExecuteCodeInTabFunction {
+ private:
+  virtual ~TabsInsertCSSFunction() {}
+
   DECLARE_EXTENSION_FUNCTION_NAME("tabs.insertCSS")
 };