Accept any string for currency code in PaymentRequest.

chrome/android/junit/src/org/chromium/chrome/browser/payments/CurrencyStringFormatterTest.java

Index: chrome/android/junit/src/org/chromium/chrome/browser/payments/CurrencyStringFormatterTest.java
diff --git a/chrome/android/junit/src/org/chromium/chrome/browser/payments/CurrencyStringFormatterTest.java b/chrome/android/junit/src/org/chromium/chrome/browser/payments/CurrencyStringFormatterTest.java
index e84048e8c4e922e6b1659566794358a6698e9ca2..4dd0bcacf7711e7b4ec5e76733baa9bc9124d479 100644
--- a/chrome/android/junit/src/org/chromium/chrome/browser/payments/CurrencyStringFormatterTest.java
+++ b/chrome/android/junit/src/org/chromium/chrome/browser/payments/CurrencyStringFormatterTest.java
@@ -74,13 +74,14 @@ public class CurrencyStringFormatterTest {
                     "$123,456,789,012,345,678,901,234,567,890.123456789012345678901234567890",
                     ExpectedValidity.VALID_AMOUNT},
 
+            // Any string can be valid amount currency codes.
+            {"55.00", "", "en-US", "55.00", ExpectedValidity.VALID_AMOUNT},
+            {"55.00", "ABCDEF", "en-US", "55.00", ExpectedValidity.VALID_AMOUNT},
+            {"55.00", longString2048(), "en-US", "55.00", ExpectedValidity.VALID_AMOUNT},
+
             // Invalid amount currency codes.
-            {"55.00", "", "en-US", null, ExpectedValidity.INVALID_AMOUNT_CURRENCY_CODE},
-            {"55.00", "usd", "en-US", null, ExpectedValidity.INVALID_AMOUNT_CURRENCY_CODE},
-            {"55.00", "US8", "en-US", null, ExpectedValidity.INVALID_AMOUNT_CURRENCY_CODE},
-            {"55.00", "US", "en-US", null, ExpectedValidity.INVALID_AMOUNT_CURRENCY_CODE},
-            {"55.00", "USDR", "en-US", null, ExpectedValidity.INVALID_AMOUNT_CURRENCY_CODE},
-            {"55.00", "USDr", "en-US", null, ExpectedValidity.INVALID_AMOUNT_CURRENCY_CODE},
+            {"55.00", longString2049(), "en-US", null,
+                    ExpectedValidity.INVALID_AMOUNT_CURRENCY_CODE},
 
             // Invalid amount values.
             {"", "USD", "en-US", null, ExpectedValidity.INVALID_AMOUNT_VALUE},
@@ -102,6 +103,23 @@ public class CurrencyStringFormatterTest {
     private final String mExpectedFormatting;
     private final ExpectedValidity mExpectedValidity;
 
+    private static String longString2048() {

[please use gerrit instead, 2016/08/29 14:23:40]

This creates 2049 objects. Use
https://docs.oracle.com/javase/7/docs/api/java/lang/StringBuilder.html instead,
please.

[pals, 2016/08/30 09:02:09]

Done.

+        String currency = "";
+        for (int i = 0; i < 2048; i++) {
+            currency = currency + "A";
+        }
+        return currency;
+    }
+
+    private static String longString2049() {

[please use gerrit instead, 2016/08/29 14:23:40]

Ditto.

[pals, 2016/08/30 09:02:09]

Done.

+        String currency = "";
+        for (int i = 0; i < 2049; i++) {
+            currency = currency + "A";
+        }
+        return currency;
+    }
+
+
     public CurrencyStringFormatterTest(String amount, String currency, String languageTag,
             String expectedFormatting, ExpectedValidity expectedValidity) {
         mAmount = amount;