[Payments] Style the add address option in billing address selection.

chrome/android/java/src/org/chromium/chrome/browser/payments/ui/HintArrayAdapter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/ui/HintArrayAdapter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/HintArrayAdapter.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/HintArrayAdapter.java
deleted file mode 100644
index 02fcfc06ee82e86174ae621b964ff25b229a0e66..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/HintArrayAdapter.java
+++ /dev/null
@@ -1,39 +0,0 @@
-// 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.ui;
-
-import android.content.Context;
-import android.widget.ArrayAdapter;
-
-import java.util.List;
-
-/**
- * Subclass of ArrayAdapter used to display a dropdown hint that won't appear in the dropdown
- * options. The last element is the hint.
- *
- * @param <T> The type of element to be inserted into the adapter.
- */
-public class HintArrayAdapter<T> extends ArrayAdapter<T> {
-
-    /**
-     * Creates an array adapter for which the last element is not shown.
-     *
-     * @param context  The current context.
-     * @param resource The resource ID for a layout file containing a layout to use when
-     *                 instantiating views.
-     * @param objects  The objects to represent in the ListView, the last of which is not displayed
-     *                 in the dropdown, but is used as the hint.
-     */
-    public HintArrayAdapter(Context context, int resource, List<T> objects) {
-        super(context, resource, objects);
-    }
-
-    @Override
-    public int getCount() {
-        // Don't display last item, it is used as hint.
-        int count = super.getCount();
-        return count > 0 ? count - 1 : count;
-    }
-}