Add dialog to edit and save credit cards.

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- About Page -->
   <if expr="chromeos">
     <message name="IDS_SETTINGS_ABOUT_PAGE_CHECK_FOR_UPDATES" desc="The button label to check for updates and apply (download and install) if found">
       Check for updates
     </message>
     <message name="IDS_SETTINGS_ABOUT_PAGE_CURRENT_CHANNEL_STABLE" desc="The stable label in the message about current channel.">
       stable
@@ skipping 218 matching lines @@
   </message>
   <message name="IDS_SETTINGS_AUTOFILL_CREDIT_CARD_HEADING" desc="Title for the list of saved passwords that can be used to fill in forms.">
     Credit cards
   </message>
   <message name="IDS_SETTINGS_AUTOFILL_ADD_CREDIT_CARD_BUTTON" desc="Label for a button that allows a user to enter new credit card information that can be used to fill in forms.">
     Add credit card
   </message>
   <message name="IDS_SETTINGS_AUTOFILL_CREDIT_CARD_TYPE_COLUMN_LABEL" desc="Label for the column containing the type of credit card that is saved. The type is in the format: `Visa ****1234`.">
     Type
   </message>
-  <message name="IDS_SETTINGS_AUTOFILL_CREDIT_CARD_EXPIRATION_COLUMN_LABEL" desc="Label for the heading containing the expiration date for the credit card that has been saved.">
-    Expiration date
-  </message>
   <message name="IDS_SETTINGS_AUTOFILL_DETAIL" desc="Description of what toggling the 'Autofill' setting does. Immediately underneath IDS_SETTINGS_AUTOFILL">
     Enable Autofill to fill out forms in a single click
   </message>
   <message name="IDS_SETTINGS_ADDRESS_EDIT" desc="Label for a context menu item that shows a dialog with edit options for the selected address." meaning="Edit selected address.">
    Edit
   </message>
   <message name="IDS_SETTINGS_ADDRESS_REMOVE" desc="Label for a context menu item that removes the selected address." meaning="Remove selected address.">
    Remove
   </message>
   <message name="IDS_SETTINGS_CREDIT_CARD_EDIT" desc="Label for a context menu item that shows a dialog with edit options for the selected credit card." meaning="Edit selected credit card.">
    Edit
   </message>
   <message name="IDS_SETTINGS_CREDIT_CARD_REMOVE" desc="Label for a context menu item that removes the selected credit card." meaning="Remove selected credit card.">
    Remove
   </message>
+  <message name="IDS_SETTINGS_EDIT_CREDIT_CARD_TITLE" desc="The title for the dialog that's shown when editing a credit card.">
+    Edit credit card
+  </message>
+  <message name="IDS_SETTINGS_ADD_CREDIT_CARD_TITLE" desc="The title for the dialog that's shown when entering the information for a new credit card.">
+    Add credit card
+  </message>
+  <message name="IDS_SETTINGS_NAME_ON_CREDIT_CARD" desc="The title for the input that lets users modify the name on the credit card.">
+    Name on card
+  </message>
+  <message name="IDS_SETTINGS_CREDIT_CARD_NUMBER" desc="The title for the input that lets users modify the credit card number for a credit card.">
+    Credit card number
+  </message>
+  <message name="IDS_SETTINGS_CREDIT_CARD_EXPIRATION_DATE" desc="Label for the expiration date fields of a credit card that has been or is being saved.">
+    Expiration date
+  </message>
+  <message name="IDS_SETTINGS_CREDIT_CARD_EXPIRATION_MONTH" desc="Accessibility label on the month drop down to let users know the field corresponds to the expiration month">
+    Expiration month
+  </message>
+  <message name="IDS_SETTINGS_CREDIT_CARD_EXPIRATION_YEAR" desc="Accessibility label on the year drop down to let users know the field corresponds to the expiration year">
+    Expiration year
+  </message>
   <message name="IDS_SETTINGS_PASSWORDS" desc="Name for the password section and toggle">
     Manage passwords
   </message>
   <message name="IDS_SETTINGS_PASSWORDS_DETAIL" desc="Description of what toggling the 'Manage passwords' setting does. Immediately underneath IDS_SETTINGS_PASSWORDS">
     Offer to save your web passwords
   </message>
   <message name="IDS_SETTINGS_PASSWORDS_SAVED_HEADING" desc="The title for a list of username/site/password items. These items are already saved by the browser and can be deleted/edited.">
     Saved Passwords
   </message>
   <message name="IDS_SETTINGS_PASSWORDS_EXCEPTIONS_HEADING" desc="The title for a list of sites where passwords will not be saved. These items are already saved by the browser and can only be deleted.">
@@ skipping 1154 matching lines @@
       System
     </message>
     <message name="IDS_SETTINGS_SYSTEM_HARDWARE_ACCELERATION_LABEL" desc="Label for the checkbox that forces Chrome to render via hardware acceleration (GPU) when available.">
       Use hardware acceleration when available
     </message>
     <message name="IDS_SETTINGS_SYSTEM_PROXY_SETTINGS_BUTTON" desc="Text for the button that changes a user's network proxy settings.">
       Change proxy settings
     </message>
   </if>
 </grit-part>