Don't deref stale AutofillMetrics pointer in AutofillCCInfoBarDelegate

chrome/browser/ui/autofill/chrome_autofill_client.h

 // Copyright 2014 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_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_
 #define CHROME_BROWSER_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
@@ skipping 28 matching lines @@
 
   // Called when the tab corresponding to |this| instance is activated.
   void TabActivated();
 
   // AutofillClient:
   PersonalDataManager* GetPersonalDataManager() override;
   scoped_refptr<AutofillWebDataService> GetDatabase() override;
   PrefService* GetPrefs() override;
   void HideRequestAutocompleteDialog() override;
   void ShowAutofillSettings() override;
-  void ConfirmSaveCreditCard(const AutofillMetrics& metric_logger,
-                             const base::Closure& save_card_callback) override;
+  void ConfirmSaveCreditCard(const base::Closure& save_card_callback) override;
   bool HasCreditCardScanFeature() override;
   void ScanCreditCard(const CreditCardScanCallback& callback) override;
   void ShowRequestAutocompleteDialog(const FormData& form,
                                      const GURL& source_url,
                                      const ResultCallback& callback) override;
   void ShowAutofillPopup(
       const gfx::RectF& element_bounds,
       base::i18n::TextDirection text_direction,
       const std::vector<base::string16>& values,
       const std::vector<base::string16>& labels,
@@ skipping 54 matching lines @@
   // scoped_ptr.
   AutofillKeystoneBridgeWrapper* bridge_wrapper_;
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 
   DISALLOW_COPY_AND_ASSIGN(ChromeAutofillClient);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_