RefCounted types should not have public destructors, base/ edition

base/threading/worker_pool_unittest.cc

Index: base/threading/worker_pool_unittest.cc
diff --git a/base/threading/worker_pool_unittest.cc b/base/threading/worker_pool_unittest.cc
index 4be06d309de3e1109471768a6ae29f0242554d68..9736b99c85cb17bbd2f330cb7a3423309bf13958 100644
--- a/base/threading/worker_pool_unittest.cc
+++ b/base/threading/worker_pool_unittest.cc
@@ -24,8 +24,7 @@ namespace {
 class PostTaskAndReplyTester
     : public base::RefCountedThreadSafe<PostTaskAndReplyTester> {
  public:
-  PostTaskAndReplyTester() : finished_(false), test_event_(false, false) {
-  }
+  PostTaskAndReplyTester() : finished_(false), test_event_(false, false) {}
 
   void RunTest() {
     ASSERT_TRUE(thread_checker_.CalledOnValidThread());
@@ -55,6 +54,9 @@ class PostTaskAndReplyTester
   }
 
  private:
+  friend class base::RefCountedThreadSafe<PostTaskAndReplyTester>;
+  ~PostTaskAndReplyTester() {}
+
   bool finished_;
   WaitableEvent test_event_;