Revert "Fix a ton of compiler warnings."

chrome/browser/autocomplete/autocomplete.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_AUTOCOMPLETE_AUTOCOMPLETE_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_H_
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 447 matching lines @@
     //
     // NOTE: Providers MUST only call this method while processing asynchronous
     // queries.  Do not call this for a synchronous query.
     //
     // NOTE: There's no parameter to tell the listener _which_ provider is
     // calling it.  Because the AutocompleteController (the typical listener)
     // doesn't cache the providers' individual matches locally, it has to get
     // them all again when this is called anyway, so such a parameter wouldn't
     // actually be useful.
     virtual void OnProviderUpdate(bool updated_matches) = 0;
-   protected:
-    ~ACProviderListener() {}
   };
 
   AutocompleteProvider(ACProviderListener* listener,
                        Profile* profile,
                        const char* name)
       : profile_(profile),
         listener_(listener),
         done_(true),
         name_(name) {
   }
@@ skipping 389 matching lines @@
   AutocompleteInput::Type input_type;
   // Selected index (if selected) or -1 (AutocompletePopupModel::kNoMatch).
   size_t selected_index;
   // Inline autocompleted length (if displayed).
   size_t inline_autocompleted_length;
   // Result set.
   const AutocompleteResult& result;
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_H_