[Payments] Add information requested by merchant metrics to PR.

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

Index: chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestNoShippingTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestNoShippingTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestNoShippingTest.java
index 2a9abb07a243cf2eacde9fce294d453f7bff2506..8615ba883fd4c60dada7bb5933118b8946d1a28c 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestNoShippingTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestNoShippingTest.java
@@ -8,6 +8,7 @@ import android.content.DialogInterface;
 import android.test.suitebuilder.annotation.MediumTest;
 
 import org.chromium.base.ThreadUtils;
+import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.autofill.AutofillTestHelper;
 import org.chromium.chrome.browser.autofill.PersonalDataManager.AutofillProfile;
@@ -343,4 +344,23 @@ public class PaymentRequestNoShippingTest extends PaymentRequestTestBase {
 
         expectResultContains(new String[] {"Request cancelled"});
     }
+
+    /**
+     * Test that starting a payment request that requires user information except for the payment
+     * results in the appropriate metric being logged in the PaymentRequest.RequestedInformation
+     * histogram.
+     */
+    @MediumTest
+    public void testRequestedInformationMetric() throws InterruptedException, ExecutionException,
+            TimeoutException {
+        // Start the Payment Request.
+        triggerUIAndWait(mReadyToPay);
+
+        // Make sure that only the appropriate enum value was logged.
+        for (int i = 0; i < PaymentRequestMetrics.REQUESTED_INFORMATION_MAX; ++i) {
+            assertEquals((i == PaymentRequestMetrics.REQUESTED_INFORMATION_NONE ? 1 : 0),
+                    RecordHistogram.getHistogramValueCountForTesting(
+                            "PaymentRequest.RequestedInformation", i));
+        }
+    }
 }