First patch in making destructors of refcounted objects private.

base/directory_watcher_win.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/directory_watcher.h"
 
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/object_watcher.h"
 #include "base/ref_counted.h"
 
 namespace {
 
 class DirectoryWatcherImpl : public DirectoryWatcher::PlatformDelegate,
                              public base::ObjectWatcher::Delegate {
  public:
   DirectoryWatcherImpl() : delegate_(NULL), handle_(INVALID_HANDLE_VALUE) {}
-  virtual ~DirectoryWatcherImpl();
 
   virtual bool Watch(const FilePath& path, DirectoryWatcher::Delegate* delegate,
                      MessageLoop* backend_loop, bool recursive);
 
   // Callback from MessageLoopForIO.
   virtual void OnObjectSignaled(HANDLE object);
 
  private:
+  virtual ~DirectoryWatcherImpl();
+
   // Delegate to notify upon changes.
   DirectoryWatcher::Delegate* delegate_;
   // Path we're watching (passed to delegate).
   FilePath path_;
   // Handle for FindFirstChangeNotification.
   HANDLE handle_;
   // ObjectWatcher to watch handle_ for events.
   base::ObjectWatcher watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectoryWatcherImpl);
@@ skipping 37 matching lines @@
   BOOL ok = FindNextChangeNotification(object);
   DCHECK(ok);
   watcher_.StartWatching(object, this);
 }
 
 }  // namespace
 
 DirectoryWatcher::DirectoryWatcher() {
   impl_ = new DirectoryWatcherImpl();
 }