[Payments] Dedupe subsets in contact detail suggestions.

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

 // Copyright 2016 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.test.suitebuilder.annotation.MediumTest;
 
 import org.chromium.base.test.util.Feature;
 import org.chromium.chrome.R;
@@ skipping 111 matching lines @@
         mCountsToSet = new int[] {15, 10, 5, 1};
         mDatesToSet = new int[] {5000, 5000, 5000, 5000};
 
         triggerUIAndWait(mReadyForInput);
         clickInContactInfoAndWait(R.id.payments_section, mReadyForInput);
         assertEquals(4, getNumberOfContactDetailSuggestions());
         assertEquals("Bart Simpson\nbart@simpson.com\nPhone number required",
                 getContactDetailsSuggestionLabel(0));
         assertEquals(
                 "Homer Simpson\n555 123-4567\nEmail required", getContactDetailsSuggestionLabel(1));
+        assertEquals("555 123-4567\nmarge@simpson.com\nName required",
+                getContactDetailsSuggestionLabel(2));
         assertEquals(
-                "Marge Simpson\nMore information required", getContactDetailsSuggestionLabel(2));
-        assertEquals("555 123-4567\nmarge@simpson.com\nName required",
-                getContactDetailsSuggestionLabel(3));
+                "Marge Simpson\nMore information required", getContactDetailsSuggestionLabel(3));
     }
 }