Revert "Fix a ton of compiler warnings."

chrome/browser/login_prompt.h

Index: chrome/browser/login_prompt.h
diff --git a/chrome/browser/login_prompt.h b/chrome/browser/login_prompt.h
index 3ba1aadf0017c3983caaedebdd3d8ef33995189f..6279c7a5a8983b89daa9e8a9776a3db817cea09f 100644
--- a/chrome/browser/login_prompt.h
+++ b/chrome/browser/login_prompt.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2008 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.
 
@@ -64,9 +64,6 @@ class LoginHandler {
   // Notify the handler that the request was cancelled.
   // This function can only be called from the IO thread.
   virtual void OnRequestCancelled() = 0;
-
- protected:
-  ~LoginHandler() {}
 };
 
 // Details to provide the NotificationObserver.  Used by the automation proxy