Fix clang error

chrome/browser/ui/views/avatar_menu.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/views/avatar_menu.h"
 
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 34 matching lines @@
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScaledImageButton);
 };
 
 // A view that displays avatar icons in a grid.
 class AvatarIconGridView : public views::View, public views::ButtonListener {
  public:
   AvatarIconGridView(Profile* profile, views::MenuItemView* menu);
-  ~AvatarIconGridView();
+  virtual ~AvatarIconGridView();
 
   virtual void Layout() OVERRIDE;
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void ButtonPressed(views::Button* sender,
                              const views::Event& event) OVERRIDE;
 
  private:
   // Sets the profile's avatar icon to the icon at the given index.
   void SetAvatarIconToIndex(int icon_index);
 
@@ skipping 124 matching lines @@
   // deleted while we're running we won't prematurely delete the menu.
   // TODO(sky): fix this, the menu should really take ownership of the menu
   // (57890).
   scoped_refptr<AvatarMenu> dont_delete_while_running(this);
   gfx::Point screen_loc;
   views::View::ConvertPointToScreen(host, &screen_loc);
   gfx::Rect bounds(screen_loc, host->size());
   root_->RunMenuAt(host->GetWidget()->GetNativeWindow(), host, bounds,
       views::MenuItemView::TOPLEFT, true);
 }