Don't deref stale AutofillMetrics pointer in AutofillCCInfoBarDelegate

components/autofill/core/browser/autofill_metrics.h

 // Copyright 2013 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_AUTOFILL_CORE_BROWSER_AUTOFILL_METRICS_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_METRICS_H_
 
 #include <stddef.h>
 #include <string>
 
@@ skipping 292 matching lines @@
     CHOOSE_ANOTHER_INSTRUMENT_OR_ADDRESS,
     VERIFY_CVV,
     INVALID_FORM_FIELD,
     REQUIRE_PHONE_NUMBER,
     NUM_WALLET_REQUIRED_ACTIONS
   };
 
   AutofillMetrics();
   virtual ~AutofillMetrics();
 
-  virtual void LogCreditCardInfoBarMetric(InfoBarMetric metric) const;
+  static void LogCreditCardInfoBarMetric(InfoBarMetric metric);
 
   virtual void LogDeveloperEngagementMetric(
       DeveloperEngagementMetric metric) const;
 
   virtual void LogHeuristicTypePrediction(FieldTypeQualityMetric metric,
                                           ServerFieldType field_type) const;
   virtual void LogOverallTypePrediction(FieldTypeQualityMetric metric,
                                         ServerFieldType field_type) const;
   virtual void LogServerTypePrediction(FieldTypeQualityMetric metric,
                                        ServerFieldType field_type) const;
@@ skipping 87 matching lines @@
   // form.
   virtual void LogAddressSuggestionsCount(size_t num_suggestions) const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AutofillMetrics);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_METRICS_H_