Revert "Fix a ton of compiler warnings."

chrome/browser/shell_dialogs.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_SHELL_DIALOGS_H_
 #define CHROME_BROWSER_SHELL_DIALOGS_H_
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/gfx/native_widget_types.h"
 #include "base/ref_counted.h"
 #include "base/string16.h"
 
 namespace gfx {
 class Font;
 }
 
 // A base class for shell dialogs.
 class BaseShellDialog {
  public:
   // Returns true if a shell dialog box is currently being shown modally
   // to the specified owner.
   virtual bool IsRunning(gfx::NativeWindow owning_window) const = 0;
 
   // Notifies the dialog box that the listener has been destroyed and it should
   // no longer be sent notifications.
   virtual void ListenerDestroyed() = 0;
-
- protected:
-  ~BaseShellDialog() {}
 };
 
 // Shows a dialog box for selecting a file or a folder.
 class SelectFileDialog
     : public base::RefCountedThreadSafe<SelectFileDialog>,
       public BaseShellDialog {
  public:
   enum Type {
     SELECT_FOLDER,
     SELECT_SAVEAS_FILE,
@@ skipping 17 matching lines @@
 
     // Notifies the Listener that many files have been selected. The
     // files are in |files|. |params| is contextual passed to SelectFile.
     virtual void MultiFilesSelected(
       const std::vector<FilePath>& files, void* params) {};
 
     // Notifies the Listener that the file/folder selection was aborted (via
     // the  user canceling or closing the selection dialog box, for example).
     // |params| is contextual passed to SelectFile.
     virtual void FileSelectionCanceled(void* params) {};
-
-   protected:
-    ~Listener() {};
   };
 
   // Creates a dialog box helper. This object is ref-counted, but the returned
   // object will have no reference (refcount is 0).
   static SelectFileDialog* Create(Listener* listener);
 
   // Holds information about allowed extensions on a file save dialog.
   // |extensions| is a list of allowed extensions. For example, it might be
   //   { { "htm", "html" }, { "txt" } }. Only pass more than one extension
   //   in the inner vector if the extensions are equivalent. Do NOT include
@@ skipping 56 matching lines @@
    public:
     // Notifies the Listener that a font selection has been made. The font
     // details are supplied in |font|. |params| is contextual passed to
     // SelectFile.
     virtual void FontSelected(const gfx::Font& font, void* params) = 0;
 
     // Notifies the Listener that the font selection was aborted (via the user
     // canceling or closing the selection dialog box, for example). |params| is
     // contextual passed to SelectFile.
     virtual void FontSelectionCanceled(void* params) {};
-   protected:
-    ~Listener() {};
   };
 
   // Creates a dialog box helper. This object is ref-counted, but the returned
   // object will have no reference (refcount is 0).
   static SelectFontDialog* Create(Listener* listener);
 
   // Selects a font. This will start displaying the dialog box. This will also
   // block the calling window until the dialog box is complete. The listener
   // associated with this object will be notified when the selection is
   // complete.
@@ skipping 10 matching lines @@
 
   // Same as above - also support specifying the default font selected in the
   // list when the dialog appears.
   virtual void SelectFont(gfx::NativeWindow owning_window,
                           void* params,
                           const std::wstring& font_name,
                           int font_size) = 0;
 };
 
 #endif  // CHROME_BROWSER_SHELL_DIALOGS_H_