[Autofill] Log RAPPOR metrics around credit card upload failures

components/autofill/core/browser/autofill_manager.h

Index: components/autofill/core/browser/autofill_manager.h
diff --git a/components/autofill/core/browser/autofill_manager.h b/components/autofill/core/browser/autofill_manager.h
index d587208a9ce1e073610392a08581105dd427e99b..2a37e9af4eee86ef13430256b0ea3c4d13e96279 100644
--- a/components/autofill/core/browser/autofill_manager.h
+++ b/components/autofill/core/browser/autofill_manager.h
@@ -387,12 +387,17 @@ class AutofillManager : public AutofillDownloadManager::Observer,
   // Imports the form data, submitted by the user, into |personal_data_|.
   void ImportFormData(const FormStructure& submitted_form);
 
+  // Logs |metric_name| with RAPPOR, for the specific form |source_url|.
+  void CollectRapportSample(const GURL& source_url,
+                            const char* metric_name) const;
+
   // Examines |card| and the stored profiles and if a candidate set of profiles
   // is found that matches the client-side validation rules, assigns the values
-  // to |profiles|. If no valid set can be found, returns false.
-  bool GetProfilesForCreditCardUpload(
-      const CreditCard& card,
-      std::vector<AutofillProfile>* profiles) const;
+  // to |profiles|. |source_url| is the source URL for the form. If no valid set
+  // can be found, returns false.
+  bool GetProfilesForCreditCardUpload(const CreditCard& card,
+                                      std::vector<AutofillProfile>* profiles,
+                                      const GURL& source_url) const;
 
   // If |initial_interaction_timestamp_| is unset or is set to a later time than
   // |interaction_timestamp|, updates the cached timestamp.  The latter check is