RefCounted types should not have public destructors, chrome/browser/ part 2

chrome/browser/sync/glue/browser_thread_model_worker.h

Index: chrome/browser/sync/glue/browser_thread_model_worker.h
diff --git a/chrome/browser/sync/glue/browser_thread_model_worker.h b/chrome/browser/sync/glue/browser_thread_model_worker.h
index 53ca156cb6c632680e246603cae831399d60688d..97373a56f3c1d6830f26635b4f62df9baad291f2 100644
--- a/chrome/browser/sync/glue/browser_thread_model_worker.h
+++ b/chrome/browser/sync/glue/browser_thread_model_worker.h
@@ -26,7 +26,6 @@ class BrowserThreadModelWorker : public ModelSafeWorker {
  public:
   BrowserThreadModelWorker(content::BrowserThread::ID thread,
                            ModelSafeGroup group);
-  virtual ~BrowserThreadModelWorker();
 
   // ModelSafeWorker implementation. Called on the sync thread.
   virtual SyncerError DoWorkAndWaitUntilDone(
@@ -34,6 +33,8 @@ class BrowserThreadModelWorker : public ModelSafeWorker {
   virtual ModelSafeGroup GetModelSafeGroup() OVERRIDE;
 
  protected:
+  virtual ~BrowserThreadModelWorker();
+
   // Marked pure virtual so subclasses have to override, but there is
   // an implementation that subclasses should use.  This is so that
   // (subclass)::CallDoWorkAndSignalTask shows up in callstacks.
@@ -55,25 +56,29 @@ class BrowserThreadModelWorker : public ModelSafeWorker {
 class DatabaseModelWorker : public BrowserThreadModelWorker {
  public:
   DatabaseModelWorker();
-  virtual ~DatabaseModelWorker();
 
  protected:
   virtual void CallDoWorkAndSignalTask(
       const WorkCallback& work,
       base::WaitableEvent* done,
       SyncerError* error) OVERRIDE;
+
+ private:
+  virtual ~DatabaseModelWorker();
 };
 
 class FileModelWorker : public BrowserThreadModelWorker {
  public:
   FileModelWorker();
-  virtual ~FileModelWorker();
 
  protected:
   virtual void CallDoWorkAndSignalTask(
       const WorkCallback& work,
       base::WaitableEvent* done,
       SyncerError* error) OVERRIDE;
+
+ private:
+  virtual ~FileModelWorker();
 };
 
 }  // namespace browser_sync