Minor cleanup to how infobars handle expiry:

chrome/browser/autofill/autofill_cc_infobar_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 17 matching lines @@
                             const CreditCard* credit_card,
                             PersonalDataManager* personal_data,
                             const AutofillMetrics* metric_logger);
 
  private:
   virtual ~AutofillCCInfoBarDelegate();
 
   void LogUserAction(AutofillMetrics::InfoBarMetric user_action);
 
   // ConfirmInfoBarDelegate:
-  virtual bool ShouldExpire(
-      const content::LoadCommittedDetails& details) const OVERRIDE;
   virtual void InfoBarDismissed() OVERRIDE;
   virtual gfx::Image* GetIcon() const OVERRIDE;
   virtual Type GetInfoBarType() const OVERRIDE;
+  virtual bool ShouldExpireInternal(
+      const content::LoadCommittedDetails& details) const OVERRIDE;
   virtual string16 GetMessageText() const OVERRIDE;
   virtual string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
   virtual bool Accept() OVERRIDE;
   virtual bool Cancel() OVERRIDE;
   virtual string16 GetLinkText() const OVERRIDE;
   virtual bool LinkClicked(WindowOpenDisposition disposition) OVERRIDE;
 
   // The credit card that should be saved if the user accepts the infobar.
   scoped_ptr<const CreditCard> credit_card_;
 
   // The personal data manager to which the credit card should be saved.
   // Weak reference.
   PersonalDataManager* personal_data_;
 
   // For logging UMA metrics.
   // Weak reference. Owned by the AutofillManager that initiated this infobar.
   const AutofillMetrics* metric_logger_;
 
   // Did the user ever explicitly accept or dismiss this infobar?
   bool had_user_interaction_;
 
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, CreditCardInfoBar);
 
   DISALLOW_COPY_AND_ASSIGN(AutofillCCInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_