chrome/android/java/res_autofill_assistant/drawable/autofill_assistant_lightblue_rect_bg.xml

<!-- Copyright 2019 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. -->
<shape
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <corners
        android:radius="4dp" />
    <solid
        android:color="@color/autofill_assistant_light_blue" />
</shape>