Revert "Fix a ton of compiler warnings."

chrome/browser/tab_contents/page_navigator.h

Index: chrome/browser/tab_contents/page_navigator.h
diff --git a/chrome/browser/tab_contents/page_navigator.h b/chrome/browser/tab_contents/page_navigator.h
index 328971a61d0952a8357aebb4661b06750b53117a..7d203e3771a8f6335404752098b0c967b6fa71e8 100644
--- a/chrome/browser/tab_contents/page_navigator.h
+++ b/chrome/browser/tab_contents/page_navigator.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.
 
@@ -21,8 +21,6 @@ class PageNavigator {
   virtual void OpenURL(const GURL& url, const GURL& referrer,
                        WindowOpenDisposition disposition,
                        PageTransition::Type transition) = 0;
- protected:
-  ~PageNavigator() {}
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_PAGE_NAVIGATOR_H_