Logs all reasons card upload was not offered in UKM and UMA.

components/autofill/core/browser/autofill_metrics.h

Index: components/autofill/core/browser/autofill_metrics.h
diff --git a/components/autofill/core/browser/autofill_metrics.h b/components/autofill/core/browser/autofill_metrics.h
index ac50c90e59d8e6c4efb4dc79b92b03dc1c7722c0..9810bc4c6c21742300290100c83ec3e7b4ae71eb 100644
--- a/components/autofill/core/browser/autofill_metrics.h
+++ b/components/autofill/core/browser/autofill_metrics.h
@@ -95,8 +95,10 @@ class AutofillMetrics {
   };
 
   enum CardUploadDecisionMetric {
-    // All the required conditions were satisfied and the card upload prompt was
-    // triggered.
+    // Card upload prompt was triggered either because all the conditions were
+    // automatically satisfied or because we can potentially fix fields to
+    // satisfy some conditions. For example, requesting user to input CVC when
+    // CVC was missing. See |UPLOAD_OFFERED_NO_CVC|.
     UPLOAD_OFFERED,
     // No CVC was detected. We don't know whether any addresses were available
     // nor whether we would have been able to get upload details.
@@ -128,6 +130,9 @@ class AutofillMetrics {
     // No CVC was detected, but valid addresses and names were.  Upload is still
     // possible if the user manually enters CVC, so upload was offered.
     UPLOAD_OFFERED_NO_CVC,
+    // One or more of the required conditions were not satisfied and the card
+    // upload prompt was not triggered.
+    UPLOAD_NOT_OFFERED,
     NUM_CARD_UPLOAD_DECISION_METRICS,
   };
 
@@ -804,19 +809,19 @@ class AutofillMetrics {
   // suggestion to show an explanation of the warning.
   static void LogShowedHttpNotSecureExplanation();
 
-  // Logs the card upload decision ukm based on the specified |url| and
-  // |upload_decision|.
-  static void LogCardUploadDecisionUkm(
-      ukm::UkmService* ukm_service,
-      const GURL& url,
-      AutofillMetrics::CardUploadDecisionMetric upload_decision);
+  // Logs the card upload decisions ukm for the specified |url|.
+  // |upload_decision_metrics| is a bitmask of
+  // |AutofillMetrics::CardUploadDecisionMetric|.
+  static void LogCardUploadDecisionsUkm(ukm::UkmService* ukm_service,
+                                        const GURL& url,
+                                        int upload_decision_metrics);
 
   // Logs the developer engagement ukm for the specified |url| and autofill
-  // fields in the form structure.
-  static void LogDeveloperEngagementUkm(
-      ukm::UkmService* ukm_service,
-      const GURL& url,
-      std::vector<AutofillMetrics::DeveloperEngagementMetric> metrics);
+  // fields in the form structure. |developer_engagement_metrics| is a bitmask
+  // of |AutofillMetrics::DeveloperEngagementMetric|.
+  static void LogDeveloperEngagementUkm(ukm::UkmService* ukm_service,
+                                        const GURL& url,
+                                        int developer_engagement_metrics);
 
   // Logs the the |ukm_entry_name| with the specified |url| and the specified
   // |metrics|. Returns whether the ukm was sucessfully logged.