[Payments] Show complete profiles first and limit to 4 suggestions.

chrome/android/java/src/org/chromium/chrome/browser/payments/Completable.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/Completable.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/Completable.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/Completable.java
new file mode 100644
index 0000000000000000000000000000000000000000..da24b273ee986f587ac4be34e444c31330f5c64c
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/Completable.java
@@ -0,0 +1,13 @@
+// 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;
+
+/**
+ * The interface for completeable types.

[please use gerrit instead, 2016/07/08 08:36:30]

The interface for types that may be complete, i.e., can be sent to the merchant
as-is, without being edited by the user first.

[sebsg, 2016/07/08 09:20:25]

Done.

+ */
+public interface Completable {
+    // Returns whether the object is complete.

[please use gerrit instead, 2016/07/08 08:36:30]

Use "/**" style comments. Interface methods need JavaDoc.

[sebsg, 2016/07/08 09:20:25]

Done.

+    boolean isComplete();
+}