chromium/ui/file_manager/file_manager/foreground/js/ui/banners/photos_welcome_banner.html

<style>
  educational-banner {
    --feature-icon-src: url(/foreground/images/files/ui/photos_logo.svg);
  }
</style>
<educational-banner>
  <span slot="title">$i18n{PHOTOS_WELCOME_TITLE}</span>
  <span slot="subtitle">$i18n{PHOTOS_WELCOME_TEXT}</span>
</educational-banner>