Minor infobar cleanup.

components/infobars/core/simple_alert_infobar_delegate.h

 // Copyright (c) 2012 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 COMPONENTS_INFOBARS_CORE_SIMPLE_ALERT_INFOBAR_DELEGATE_H_
 #define COMPONENTS_INFOBARS_CORE_SIMPLE_ALERT_INFOBAR_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/strings/string16.h"
@@ skipping 13 matching lines @@
                      bool auto_expire);
 
  private:
   SimpleAlertInfoBarDelegate(int icon_id,
                              const base::string16& message,
                              bool auto_expire);
   ~SimpleAlertInfoBarDelegate() override;
 
   // ConfirmInfoBarDelegate:
   int GetIconID() const override;
+  bool ShouldExpireInternal(const NavigationDetails& details) const override;
   base::string16 GetMessageText() const override;
   int GetButtons() const override;
-  bool ShouldExpireInternal(const NavigationDetails& details) const override;
 
   const int icon_id_;
   base::string16 message_;
   bool auto_expire_;  // Should it expire automatically on navigation?
 
   DISALLOW_COPY_AND_ASSIGN(SimpleAlertInfoBarDelegate);
 };
 
 #endif  // COMPONENTS_INFOBARS_CORE_SIMPLE_ALERT_INFOBAR_DELEGATE_H_