Revert "Fix a ton of compiler warnings."

chrome/browser/login_prompt.h

-// 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.
 
 #ifndef CHROME_BROWSER_LOGIN_PROMPT_H_
 #define CHROME_BROWSER_LOGIN_PROMPT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 
@@ skipping 45 matching lines @@
   virtual void SetAuth(const std::wstring& username,
                        const std::wstring& password) = 0;
 
   // Display the error page without asking for credentials again.
   // This function can be called from either thread.
   virtual void CancelAuth() = 0;
 
   // 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
 // for testing.
 class LoginNotificationDetails {
  public:
   LoginNotificationDetails(LoginHandler* handler) : handler_(handler) {}
   LoginHandler* handler() const { return handler_; }
 
  private:
@@ skipping 19 matching lines @@
 
 // Helper to remove the ref from an URLRequest to the LoginHandler.
 // Should only be called from the IO thread, since it accesses an URLRequest.
 void ResetLoginHandlerForRequest(URLRequest* request);
 
 // Get the signon_realm under which the identity should be saved.
 std::string GetSignonRealm(const GURL& url,
                            const net::AuthChallengeInfo& auth_info);
 
 #endif  // CHROME_BROWSER_LOGIN_PROMPT_H_