[Payments] Use formatter currency code on desktop

chrome/android/java/src/org/chromium/chrome/browser/payments/CurrencyFormatter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/CurrencyFormatter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/CurrencyFormatter.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/CurrencyFormatter.java
index e3b9291a344f74c9314f385b8be5d1bd70abbad4..e8694fbadb309538e97082530d2b7fa939cf3288 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/CurrencyFormatter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/CurrencyFormatter.java
@@ -37,7 +37,8 @@ public class CurrencyFormatter {
         assert currencyCode != null : "currencyCode should not be null";
         assert userLocale != null : "userLocale should not be null";
 
-        // Note that this technically leaks the native object.
+        // Note that this pointer could leak the native object. The called must call destroy() to
+        // ensure that the native object is destroyed.
         mCurrencyFormatterAndroid = nativeInitCurrencyFormatterAndroid(
                 currencyCode, currencySystem == null ? "" : currencySystem, userLocale.toString());
     }