Prevent existing card number to be used for new credit cards in the Payment Request

components/payments_strings.grdp

Index: components/payments_strings.grdp
diff --git a/components/payments_strings.grdp b/components/payments_strings.grdp
index 23cb150d380ed164e7af6de57d2a9b95ebb921f5..1722de1737cd3c9e87536f49408a5bc9abec63f2 100644
--- a/components/payments_strings.grdp
+++ b/components/payments_strings.grdp
@@ -161,6 +161,9 @@
   <message name="IDS_PAYMENTS_VALIDATION_UNSUPPORTED_CREDIT_CARD_TYPE" desc="Message displayed to user when the credit card type (e.g visa, mastercard) is not supported for this transaction.">
     This type of card isn’t supported
   </message>
+  <message name="IDS_PAYMENTS_VALIDATION_ALREADY_USED_CREDIT_CARD_NUMBER" desc="Message displayed to user when the credit card number has already been used in this user profile.">

[Mathieu, 2017/05/24 02:40:20]

would consider a better description for translators, such as: ... when the
credit card number they have entered corresponds to an existing credit card
number in their user profile.

[MAD, 2017/05/24 14:10:08]

Done.

+    This card number is already used
+  </message>
   <message name="IDS_PAYMENTS_REQUIRED_FIELD_MESSAGE" desc="The text that informs the user that '*' character indicates an input field that is required. The '*' character should not be changed." formatter_data="android_java">
      * Field is required
   </message>