chromium/chromecast/browser/android/apk/res/drawable-anydpi-v26/ic_settings_cast.xml

<?xml version="1.0" encoding="utf-8"?>

<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android" >
    <foreground android:drawable="@drawable/ic_cast_vector"/>
    <background android:drawable="@color/ic_settings_cast_background"/>
    <monochrome android:drawable="@drawable/ic_cast_vector"/>
</adaptive-icon>