Bug 1034921 - Remove dangerous public destructor of nsFoo in TestThre…

…adUtils.cpp. r=nfroyd

xpcom/tests/TestThreadUtils.cpp

@@ -31,16 +31,10 @@ class nsFoo : public nsISupports {
     *aBool = true;
     return NS_OK;
   }
-  virtual ~nsFoo() {}
-};
 
-namespace mozilla {
-template<>
-struct HasDangerousPublicDestructor<nsFoo>
-{
-  static const bool value = true;
+private:
+  virtual ~nsFoo() {}
 };
-}
 
 NS_IMPL_ISUPPORTS0(nsFoo)
 
@@ -129,7 +123,7 @@ int main(int argc, char** argv)
 
     // This pointer will be freed at the end of the block
     // Do not dereference this pointer in the runnable method!
-    nsFoo * rawFoo = new nsFoo();
+    nsRefPtr<nsFoo> rawFoo = new nsFoo();
 
     // Read only string. Dereferencing in runnable method to check this works.
     char* message = (char*)"Test message";
@@ -152,8 +146,6 @@ int main(int argc, char** argv)
     NS_DispatchToMainThread(NS_NewRunnableMethodWithArg<nsFoo*>(bar, &nsBar::DoBar5std, rawFoo));
     NS_DispatchToMainThread(NS_NewRunnableMethodWithArg<char*>(bar, &nsBar::DoBar6std, message));
 #endif
-
-    delete rawFoo;
   }
 
   // Spin the event loop