Show at most one PaymentRequest UI at a time.

chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestShowTwiceTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestShowTwiceTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestFailCompleteTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestShowTwiceTest.java
similarity index 61%
copy from chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestFailCompleteTest.java
copy to chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestShowTwiceTest.java
index 694ddbbb83273cc52d92e7d1d7af4f9f32840507..f3d65937952fb742aabdfcb6134f9b7ef7647126 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestFailCompleteTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestShowTwiceTest.java
@@ -4,7 +4,6 @@
 
 package org.chromium.chrome.browser.payments;
 
-import android.content.DialogInterface;
 import android.test.suitebuilder.annotation.MediumTest;
 
 import org.chromium.chrome.R;
@@ -16,11 +15,11 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeoutException;
 
 /**
- * A payment integration test for a merchant that always fails to complete the transaction.
+ * A payment integration test for a merchant that calls show() twice.
  */
-public class PaymentRequestFailCompleteTest extends PaymentRequestTestBase {
-    public PaymentRequestFailCompleteTest() {
-        super("payment_request_fail_complete_test.html");
+public class PaymentRequestShowTwiceTest extends PaymentRequestTestBase {
+    public PaymentRequestShowTwiceTest() {
+        super("payment_request_show_twice_test.html");
     }
 
     @Override
@@ -29,19 +28,17 @@ public class PaymentRequestFailCompleteTest extends PaymentRequestTestBase {
         AutofillTestHelper helper = new AutofillTestHelper();
         String billingAddressId = helper.setProfile(new AutofillProfile("", "https://example.com",
                 true, "Jon Doe", "Google", "340 Main St", "CA", "Los Angeles", "", "90291", "",
-                "US", "310-310-6000", "jon.doe@gmail.com", "en-US"));
+                "US", "555-555-5555", "", "en-US"));
         helper.setCreditCard(new CreditCard("", "https://example.com", true, true, "Jon Doe",
                 "4111111111111111", "1111", "12", "2050", "visa", R.drawable.pr_visa,
                 billingAddressId, "" /* serverId */));
     }
 
     @MediumTest
-    public void testPay() throws InterruptedException, ExecutionException, TimeoutException {
+    public void testSecondShowRequestCancelled()
+            throws InterruptedException, ExecutionException, TimeoutException {
         triggerUIAndWait(mReadyToPay);
-        clickAndWait(R.id.button_primary, mReadyForUnmaskInput);
-        setTextInCardUnmaskDialogAndWait(R.id.card_unmask_input, "123", mReadyToUnmask);
-        clickCardUnmaskButtonAndWait(DialogInterface.BUTTON_POSITIVE, mResultReady);
-        clickAndWait(R.id.ok_button, mDismissed);
-        expectResultContains(new String[] {"Transaction failed"});
+        expectResultContains(new String[] {"Second request: Request cancelled"});
+        clickAndWait(R.id.close_button, mDismissed);
     }
 }