chromium/chrome/browser/resources/settings/controls/controlled_radio_button.html

<style
<if expr="not chromeos_ash">
  include="cr-radio-button-style"
</if>
<if expr="chromeos_ash">
  include="cr-radio-button-style cros-color-overrides"
</if>
>
  :host([disabled]) {
    opacity: 1;
  }

  /* Disc and label should be transluscent, but not the policy indicator. */
  :host([disabled]) .disc-wrapper,
  :host([disabled]) #labelWrapper {
    opacity: var(--cr-disabled-opacity);
  }

  cr-policy-pref-indicator {
    margin-inline-start: var(--cr-controlled-by-spacing);
    /* Enable pointer events for the indicator so :hover works. Disable
     * clicks/taps via onIndicatorClick_ so outer on-tap doesn't trigger. */
    pointer-events: all;
  }
</style>

<div
    aria-checked$="[[getAriaChecked_(checked)]]"
    aria-describedby="slotted-content"
    aria-disabled$="[[getAriaDisabled_(disabled)]]"
    aria-labelledby="label"
    class="disc-wrapper"
    id="button"
    role="radio"
    tabindex$="[[buttonTabIndex_]]"
    on-keydown="onInputKeydown_">
  <div class="disc-border"></div>
  <div class="disc"></div>
  <div id="overlay"></div>
</div>

<div id="labelWrapper" part="labelWrapper">
  <span id="label" hidden$="[[!label]]">[[label]]</span>
  <span id="slotted-content">
    <slot></slot>
  </span>
</div>

<template is="dom-if" if="[[showIndicator_(disabled, name, pref.*)]]">
  <cr-policy-pref-indicator pref="[[pref]]" on-click="onIndicatorClick_"
      icon-aria-label="[[label]]">
  </cr-policy-pref-indicator>
</template>