[Payments] Dedupe subsets in contact detail suggestions.

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

Index: chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestContactDetailsTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestContactDetailsTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestContactDetailsTest.java
index 40df7425f002e176773f157cd277388050ec5f93..7dab341f514c493ee2fa8dd27784a1572adfc498 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestContactDetailsTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestContactDetailsTest.java
@@ -34,6 +34,26 @@ public class PaymentRequestContactDetailsTest extends PaymentRequestTestBase {
                 "340 Main St", "CA", "Los Angeles", "", "90291", "", "US", "555-555-5555",
                 "jon.doe@google.com", "en-US"));
 
+        // 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", "" /* phone_number */,
+                "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",
+                "" /* emailAddress */, "en-US"));
+
+        // Add the same profile but without a name.
+        helper.setProfile(new AutofillProfile("" /* name */, "https://example.com", true, "",
+                "Google", "340 Main St", "CA", "Los Angeles", "", "90291", "", "US", "555-555-5555",
+                "jon.doe@google.com", "en-US"));
+
         installPaymentApp(HAVE_INSTRUMENTS, IMMEDIATE_RESPONSE);
     }
 
@@ -208,6 +228,19 @@ public class PaymentRequestContactDetailsTest 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 the user's email address, phone number and
      * name results in the appropriate metric being logged in the
      * PaymentRequest.RequestedInformation histogram.