chromium/chrome/android/java/res/drawable/text_cursor_lowend.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
     Copyright 2015 The Chromium Authors
     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" >
    <size android:width="2dp" />
    <solid android:color="?android:attr/colorControlActivated" />
</shape>