[Autofill] Credit Card Autofill Last Used Date Experiment

components/autofill_strings.grdp

Index: components/autofill_strings.grdp
diff --git a/components/autofill_strings.grdp b/components/autofill_strings.grdp
index e2a1b8ec88230639e7b151d95b0efd6e7f0c300b..9095270f0586f9cc40ad02ae4a715b139d011d31 100644
--- a/components/autofill_strings.grdp
+++ b/components/autofill_strings.grdp
@@ -243,10 +243,56 @@
     Exp: <ph name="EXPIRATION_MONTH">$1<ex>06</ex></ph>/<ph name="EXPIRATION_YEAR">$2<ex>17</ex></ph>
   </message>
 
-  <message name="IDS_AUTOFILL_CREDIT_CARD_EXPIRATION_DATE_LABEL_AND_ABBR" desc="text displayed in the Autofill Credit Card popup before the credit card expiration date and the abbreviated expiration date.">
+  <message name="IDS_AUTOFILL_CREDIT_CARD_EXPIRATION_DATE_LABEL_AND_ABBR" desc="Text displayed in the Autofill Credit Card popup before the credit card expiration date and the abbreviated expiration date.">
     , exp <ph name="EXPIRATION_DATE_ABBR">$1<ex>06/17</ex></ph>
   </message>
 
+  <message name="IDS_AUTOFILL_CREDIT_CARD_EXP_AND_LAST_USED_DATE_DETAIL" desc="Text displayed in the Autofill Credit Card popup to indicate the credit card expiration date and the date when this card was last used.">
+    Exp: <ph name="EXPIRATION_DATE_ABBR">$1<ex>06/17</ex></ph>, last used: <ph name="LAST_USED_DATE_DETAIL">$2<ex>Feb. 10, 10:00 AM</ex></ph>
+  </message>
+  
+  <message name="IDS_AUTOFILL_CREDIT_CARD_LAST_USED_DATE_DETAIL" desc="Text displayed in the Autofill Credit Card popup to indicate the date when this card was last used.">
+    Last used: <ph name="LAST_USED_Date_WITH_DETAIL">$1<ex>Feb. 10, 10:00 AM</ex></ph>
+  </message>
+
+  <message name="IDS_AUTOFILL_CREDIT_CARD_EXP_AND_LAST_USED_DATE" desc="Text displayed in the Autofill Credit Card popup to indicate the credit card expiration date and the date when this card was last used.">
+    Exp: <ph name="EXPIRATION_DATE_ABBR">$1<ex>06/17</ex></ph>, last used: <ph name="LAST_USED_DATE_NO_DETAIL">$2<ex>Jan 10</ex></ph>
+  </message>
+
+  <message name="IDS_AUTOFILL_CREDIT_CARD_LAST_USED_DATE" desc="Text displayed in the Autofill Credit Card popup to indicate the date when this card was last used.">
+    Last used: <ph name="LAST_USED_MONTH">$1<ex>Jan 10</ex></ph>
+  </message>
+
+  <if expr="_google_chrome">
+  <message name="IDS_AUTOFILL_CREDIT_CARD_EXP_AND_ADDED_DATE" desc="Text displayed in the Autofill Credit Card popup to indicate the credit card expiration date and the date when this card was added to autofill.">
+    Exp: <ph name="EXPIRATION_DATE_ABBR">$1<ex>06/17</ex></ph>, added to Chrome: <ph name="Added_TO_AUTOFILL_MONTH">$2<ex>Jan 10</ex></ph>
+  </message>
+  </if>
+  <if expr="not _google_chrome">
+  <message name="IDS_AUTOFILL_CREDIT_CARD_EXP_AND_ADDED_DATE" desc="Text displayed in the Autofill Credit Card popup to indicate the credit card expiration date and the date when this card was added to autofill.">
+    Exp: <ph name="EXPIRATION_DATE_ABBR">$1<ex>06/17</ex></ph>, added to Chromium: <ph name="Added_TO_AUTOFILL_MONTH">$2<ex>Jan 10</ex></ph>
+  </message>
+  </if>
+
+  <if expr="_google_chrome">
+  <message name="IDS_AUTOFILL_CREDIT_CARD_ADDED_DATE" desc="Text displayed in the Autofill Credit Card popup to indicate the date when this card was added to autofill.">
+    Added to Chrome: <ph name="Added_TO_AUTOFILL_MONTH">$1<ex>Jan 10</ex></ph>
+  </message>
+  </if>
+  <if expr="not _google_chrome">
+  <message name="IDS_AUTOFILL_CREDIT_CARD_ADDED_DATE" desc="Text displayed in the Autofill Credit Card popup to indicate the date when this card was added to autofill.">
+    Added to Chromium: <ph name="Added_TO_AUTOFILL_MONTH">$1<ex>Jan 10</ex></ph>
+  </message>
+  </if>
+
+  <message name="IDS_AUTOFILL_CREDIT_CARD_EXP_AND_LAST_USED_YEAR_AGO" desc="Text displayed in the Autofill Credit Card popup to indicate the credit card expiration date and this card was used in autofill more than a year ago.">
+    Exp: <ph name="EXPIRATION_DATE_ABBR">$1<ex>06/17</ex></ph>, last used over a year ago
+  </message>
+
+  <message name="IDS_AUTOFILL_CREDIT_CARD_LAST_USED_YEAR_AGO" desc="Text displayed in the Autofill Credit Card popup to indicate this card was used in autofill more than a year ago.">
+    Last used over a year ago
+  </message>
+
   <!-- Autofill credit card unmask prompt -->
   <message name="IDS_AUTOFILL_CARD_UNMASK_PROMPT_ERROR_TRY_AGAIN_CVC" desc="Error message that encourages the user to try to re-enter their credit card CVC after a previous failed attempt." formatter_data="android_java">
     Check your CVC and try again