chromium/components/browser_ui/styles/android/java/res/drawable/checkmark_blue.xml

<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="20dp"
    android:height="20dp"
    android:viewportWidth="24"
    android:viewportHeight="24">

    <path
        android:fillColor="@color/black_alpha_20"
        android:pathData="M12,14m-10,0a10,10 0,1 1,20 0a10,10 0,1 1,-20 0"/>
    <path
        android:fillColor="@macro/default_icon_color_inverse"
        android:pathData="M4 6H20v12H4z" />
    <path
        android:fillColor="@macro/default_icon_color_accent1"
        android:pathData="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z" />
</vector>