chromium/components/embedder_support/android/java/res/layout/color_picker_suggestion_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2024 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.
-->

<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="@dimen/min_touch_target_size"
    android:layout_height="@dimen/min_touch_target_size"
    android:background="@drawable/color_picker_border"
    android:layout_gravity="center"
    android:padding="6dp" >

    <View
        android:id="@+id/color_picker_suggestion_color_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@android:color/transparent" />

</FrameLayout>