Implemented the conversion logic from Wallet addresses to local Autofill profiles:

components/autofill/core/browser/autofill_metrics.cc

Index: components/autofill/core/browser/autofill_metrics.cc
diff --git a/components/autofill/core/browser/autofill_metrics.cc b/components/autofill/core/browser/autofill_metrics.cc
index bbceb4fe39aea517b0b9eb5bd4f510199f08c99e..db48dd8cbde0a5023c70e5a0f9971475e9f14147 100644
--- a/components/autofill/core/browser/autofill_metrics.cc
+++ b/components/autofill/core/browser/autofill_metrics.cc
@@ -675,6 +675,14 @@ void AutofillMetrics::LogIsQueriedCreditCardFormSecure(bool is_secure) {
   UMA_HISTOGRAM_BOOLEAN("Autofill.QueriedCreditCardFormIsSecure", is_secure);
 }
 
+// static
+void AutofillMetrics::LogWalletAddressConversionType(
+    WalletAddressConversionType type) {
+  DCHECK_LT(type, NUM_CONVERTED_ADDRESS_CONVERSION_TYPES);
+  UMA_HISTOGRAM_ENUMERATION("Autofill.WalletAddressConversionType", type,
+                            NUM_CONVERTED_ADDRESS_CONVERSION_TYPES);
+}
+
 AutofillMetrics::FormEventLogger::FormEventLogger(bool is_for_credit_card)
     : is_for_credit_card_(is_for_credit_card),
       is_server_data_available_(false),