[Payments] Dedupe subsets in contact detail suggestions.

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

Index: chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestEmailTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestEmailTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestEmailTest.java
index 9b5e47b251c6bd2df5292e3715f7549991f6c9dc..9c4effb3ddb5ad0438cf7a92a4b2d66f9b7821aa 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestEmailTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestEmailTest.java
@@ -38,6 +38,26 @@ public class PaymentRequestEmailTest extends PaymentRequestTestBase {
         helper.setCreditCard(new CreditCard("", "https://example.com", true, true, "Jon Doe",
                 "4111111111111111", "1111", "12", "2050", "visa", R.drawable.pr_visa,
                 billingAddressId, "" /* serverId */));
+
+        // Add the same profile but with a different address.
+        helper.setProfile(new AutofillProfile("", "https://example.com", true, "", "Google",
+                "999 Main St", "CA", "Los Angeles", "", "90291", "", "US", "555-555-5555",
+                "jon.doe@google.com", "en-US"));
+
+        // Add the same profile but without a phone number.
+        helper.setProfile(new AutofillProfile("", "https://example.com", true, "Jon Doe", "Google",
+                "340 Main St", "CA", "Los Angeles", "", "90291", "", "US", "", "jon.doe@google.com",
+                "en-US"));
+
+        // Add the same profile but without an email.
+        helper.setProfile(new AutofillProfile("", "https://example.com", true, "Jon Doe", "Google",
+                "340 Main St", "CA", "Los Angeles", "", "90291", "", "US", "555-555-5555", "",
+                "en-US"));
+
+        // Add the same profile but without a name.
+        helper.setProfile(new AutofillProfile("", "https://example.com", true, "", "Google",
+                "340 Main St", "CA", "Los Angeles", "", "90291", "", "US", "555-555-5555",
+                "jon.doe@google.com", "en-US"));
     }
 
     /** Provide the existing valid email address to the merchant. */
@@ -84,6 +104,19 @@ public class PaymentRequestEmailTest extends PaymentRequestTestBase {
     }
 
     /**
+     * Makes sure that suggestions that are equal to or subsets of other suggestions are not shown
+     * to the user.
+     */
+    @MediumTest
+    @Feature({"Payments"})
+    public void testSuggestionsDeduped()
+            throws InterruptedException, ExecutionException, TimeoutException {
+        triggerUIAndWait(mReadyToPay);
+        clickInContactInfoAndWait(R.id.payments_section, mReadyForInput);
+        assertEquals(1, getNumberOfContactDetailSuggestions());
+    }
+
+    /**
      * Test that starting a payment request that requires only the user's email address results in
      * the appropriate metric being logged in the PaymentRequest.RequestedInformation histogram.
      */