[Payments] Don't record CanMakePayment when in incognito mode.

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

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.payments;
 
 import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
 
 import org.junit.Assert;
@@ skipping 433 matching lines @@
 
         // There should be a record for a completion when CanMakePayment is true and the PR is shown
         // to the user.
         Assert.assertEquals(1,
                 RecordHistogram.getHistogramValueCountForTesting(
                         "PaymentRequest.CanMakePayment.Used.TrueWithShowEffectOnCompletion",
                         JourneyLogger.COMPLETION_STATUS_COMPLETED));
     }
 
     /**
+     * Tests the canMakePayment metrics are not logged if the Payment Request was done in an
+     * incognito tab.
+     */
+    @Test
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePayment_IncognitoTab() {
+        JourneyLogger logger = new JourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The user is in an incognito tab so CanMakePayment is always true;
+        logger.setShowCalled();
+        logger.setIsIncognito();
+        logger.setCanMakePaymentValue(true);
+        logger.recordJourneyStatsHistograms(JourneyLogger.COMPLETION_STATUS_COMPLETED);
+
+        // There should be no CanMakePayment metrics logged.
+        assertNoLogForCanMakePayment();
+    }
+
+    /**
      * Tests that the completion status metrics based on whether the user had suggestions for all
      * the requested sections are logged as correctly.
      */
     @Test
     @SmallTest
     @Feature({"Payments"})
     public void testRecordJourneyStatsHistograms_SuggestionsForEverything_Completed() {
         JourneyLogger logger = new JourneyLogger();
 
         // Simulate that the user had suggestions for all the requested sections.
@@ skipping 233 matching lines @@
                     RecordHistogram.getHistogramValueCountForTesting(
                             "PaymentRequest.CanMakePayment.Used.TrueWithShowEffectOnCompletion",
                             i));
             Assert.assertEquals(0,
                     RecordHistogram.getHistogramValueCountForTesting(
                             "PaymentRequest.CanMakePayment.Used.FalseWithShowEffectOnCompletion",
                             i));
         }
     }
 }