RefCounted types should not have public destructors, webkit/

webkit/support/test_webmessageportchannel.h

Index: webkit/support/test_webmessageportchannel.h
diff --git a/webkit/support/test_webmessageportchannel.h b/webkit/support/test_webmessageportchannel.h
index 101a6e4811ac247137324300023dd5faa3497052..6a8d0d2f25efcbc2a3467008555ea422568e63d6 100644
--- a/webkit/support/test_webmessageportchannel.h
+++ b/webkit/support/test_webmessageportchannel.h
@@ -20,7 +20,6 @@ class TestWebMessagePortChannel
       public base::RefCounted<TestWebMessagePortChannel> {
  public:
   TestWebMessagePortChannel();
-  virtual ~TestWebMessagePortChannel();
 
   // WebMessagePortChannel implementation.
   virtual void setClient(WebKit::WebMessagePortChannelClient*) OVERRIDE;
@@ -33,8 +32,14 @@ class TestWebMessagePortChannel
   virtual bool tryGetMessage(WebKit::WebString*,
                              WebKit::WebMessagePortChannelArray&) OVERRIDE;
 
+ protected:
+  virtual ~TestWebMessagePortChannel();
+
  private:
+  friend class base::RefCounted<TestWebMessagePortChannel>;
+
   class Message;
+
   void queueMessage(Message*);
 
   WebKit::WebMessagePortChannelClient* client_;