[Payments] Remove toggle of Android payment apps in settings

ui/android/java/src/org/chromium/ui/HorizontalListDividerDrawable.java

Index: ui/android/java/src/org/chromium/ui/HorizontalListDividerDrawable.java
diff --git a/ui/android/java/src/org/chromium/ui/HorizontalListDividerDrawable.java b/ui/android/java/src/org/chromium/ui/HorizontalListDividerDrawable.java
new file mode 100644
index 0000000000000000000000000000000000000000..5d31e1e3dcf88376827a18a5805ca382c65f4585
--- /dev/null
+++ b/ui/android/java/src/org/chromium/ui/HorizontalListDividerDrawable.java
@@ -0,0 +1,43 @@
+// Copyright 2017 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.ui;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.LayerDrawable;
+
+/**
+ * Draws a horizontal list divider line at the bottom of its drawing area.
+ *
+ * Because ?android:attr/listDivider may be a 9-patch, there's no way to achieve this drawing
+ * effect with the platform Drawable classes; hence this custom Drawable.
+ */
+public class HorizontalListDividerDrawable extends LayerDrawable {
+    /**
+     * Create a horizontal list divider drawable.
+     *
+     * @param context The context used to create drawable.
+     * @return The drawable.
+     */
+    public static HorizontalListDividerDrawable create(Context context) {
+        TypedArray a = context.obtainStyledAttributes(new int[] {android.R.attr.listDivider});
+        Drawable listDivider = a.getDrawable(0);
+        a.recycle();
+        return new HorizontalListDividerDrawable(new Drawable[] {listDivider});
+    }
+
+    private HorizontalListDividerDrawable(Drawable[] layers) {
+        super(layers);
+    }
+
+    @Override
+    protected void onBoundsChange(Rect bounds) {
+        int listDividerHeight = getDrawable(0).getIntrinsicHeight();
+        setLayerInset(0, 0, bounds.height() - listDividerHeight, 0, 0);
+        super.onBoundsChange(bounds);
+    }
+}