[WebPayments] Start populating the Payment Sheet.

components/autofill_strings.grdp

Index: components/autofill_strings.grdp
diff --git a/components/autofill_strings.grdp b/components/autofill_strings.grdp
index 56ff200d58ba273c99a408f6c3573a8cb908808f..33e6fd4bd3aec3ef631feaf7c626a0d6198e05cd 100644
--- a/components/autofill_strings.grdp
+++ b/components/autofill_strings.grdp
@@ -162,14 +162,14 @@
 
   <if expr="_google_chrome">
     <message name="IDS_AUTOFILL_CREDIT_CARD_OPTIONS_POPUP" desc="The label of the text displayed in the Autofill Credit Card popup to direct the user to the Autofill settings UI.">
-     Chrome Autofill settings...    
+     Chrome Autofill settings...
     </message>
   </if>
   <if expr="not _google_chrome">
-    <message name="IDS_AUTOFILL_CREDIT_CARD_OPTIONS_POPUP" desc="The label of the text displayed in the Autofill Credit Card popup to direct the user to the Autofill settings UI.">    
+    <message name="IDS_AUTOFILL_CREDIT_CARD_OPTIONS_POPUP" desc="The label of the text displayed in the Autofill Credit Card popup to direct the user to the Autofill settings UI.">
       Chromium Autofill settings...
     </message>
-  </if>    
+  </if>
 
   <message name="IDS_AUTOFILL_OPTIONS_CONTENT_DESCRIPTION" desc="The text verbalised by a screen reader for the button that directs the user to the Autofill settings UI. This string is not displayed.">
     settings
@@ -347,4 +347,11 @@
     CVC
   </message>
 
+  <!-- Payment Request -->
+  <message name="IDS_PAYMENT_REQUEST_ORDER_SUMMARY_SECTION_NAME" desc="The name of the Order Summary section in the Payment Sheet of the Payment Request dialog.">
+    Order summary
+  </message>
+  <message name="IDS_PAYMENT_REQUEST_ORDER_SUMMARY_SECTION_TOTAL_FORMAT" desc="The format specifier of the Total label in the Order Summary section of the Payment Sheet of the Payment Request dialog.">
+    <ph name="TOTAL_LABEL">$1<ex>Total</ex></ph> <ph name="CURRENCY_CODE">$2<ex>USD</ex></ph> <ph name="FORMATTED_TOTAL_AMOUNT">$3<ex>$ 12.34</ex></ph>
+  </message>
 </grit-part>