[Payments] Normalize billing address before sending to the merchant.

components/autofill/core/browser/personal_data_manager.h

Index: components/autofill/core/browser/personal_data_manager.h
diff --git a/components/autofill/core/browser/personal_data_manager.h b/components/autofill/core/browser/personal_data_manager.h
index e0a86900c278ded9167a9176179322c6c8556b36..b71a0efe0377f98e503c68a4f476ff48e00dfe52 100644
--- a/components/autofill/core/browser/personal_data_manager.h
+++ b/components/autofill/core/browser/personal_data_manager.h
@@ -167,6 +167,12 @@ class PersonalDataManager : public KeyedService,
   // Sets a server credit card for test.
   void AddServerCreditCardForTest(std::unique_ptr<CreditCard> credit_card);
 
+  // Sets a server credit card for test.
+  void UpdateCreditCardForTest(const CreditCard& credit_card);
+
+  // Sets a server credit card for test.
+  void UpdateProfileForTest(const AutofillProfile& profile);
+
   // Returns the credit card with the specified |guid|, or NULL if there is
   // no credit card with the specified |guid|.
   CreditCard* GetCreditCardByGUID(const std::string& guid);