chromium/chrome/browser/resources/settings/performance_page/speed_page.html

<style include="cr-shared-style settings-shared settings-columned-section">
  .settings-section-bottom-padding {
    padding-block-end: var(--cr-section-vertical-padding);
  }

  settings-collapse-radio-button[hidden] + settings-collapse-radio-button {
    --settings-collapse-separator-line: 0;
  }

  settings-collapse-radio-button:not(:first-of-type) {
    --settings-collapse-separator-line: var(--cr-separator-line);
  }
</style>
<settings-toggle-button id="preloadingToggle"
    pref="{{prefs.net.network_prediction_options}}"
    label="$i18n{preloadingPageTitle}"
    sub-label="$i18n{preloadingToggleSummary}"
    learn-more-url="$i18n{preloadingLearnMoreUrl}"
    numeric-unchecked-values="[[numericUncheckedValues_]]"
    numeric-checked-value="[[networkPredictionOptionsEnum_.STANDARD]]"
    on-change="onPreloadingStateChange_">
</settings-toggle-button>
<cr-collapse
    opened="[[isPreloadingEnabled_(
        prefs.net.network_prediction_options.value)]]">
  <div class="cr-row continuation settings-section-bottom-padding">
    <settings-radio-group id="preloadingRadioGroup"
        pref="{{prefs.net.network_prediction_options}}"
        selectable-elements="settings-collapse-radio-button"
        on-change="onPreloadingStateChange_">
      <settings-collapse-radio-button id="preloadingExtended"
          name="[[networkPredictionOptionsEnum_.EXTENDED]]"
          pref="[[prefs.net.network_prediction_options]]"
          label="$i18n{preloadingPageExtendedPreloadingTitle}"
          sub-label="$i18n{preloadingPageExtendedPreloadingSummary}"
          expand-aria-label="
              $i18n{preloadingPageExtendedPreloadingExpandA11yLabel}"
          no-automatic-collapse>
        <div slot="collapse" class="settings-columned-section">
          <div class="column">
            <h2 class="description-header">
              $i18n{privacyGuideFeatureDescriptionHeader}
            </h2>
            <ul>
              <li class="secondary">
                $i18n{preloadingPageExtendedPreloadingWhenOnBulletOne}
              </li>
              <li class="secondary">
                $i18n{preloadingPageExtendedPreloadingWhenOnBulletTwo}
              </li>
            </ul>
          </div>
          <div class="column">
            <h2 class="description-header">
              $i18n{privacyGuideThingsToConsider}
            </h2>
            <ul>
              <li class="secondary">
                $i18n{preloadingPageThingsToConsiderBulletOne}
              </li>
              <li class="secondary">
                $i18n{preloadingPageExtendedPreloadingThingsToConsiderBulletTwo}
              </li>
            </ul>
          </div>
        </div>
      </settings-collapse-radio-button>
      <settings-collapse-radio-button id="preloadingStandard"
          name="[[networkPredictionOptionsEnum_.STANDARD]]"
          pref="[[prefs.net.network_prediction_options]]"
          label="$i18n{preloadingPageStandardPreloadingTitle}"
          sub-label="$i18n{preloadingPageStandardPreloadingSummary}"
          expand-aria-label="
              $i18n{preloadingPageStandardPreloadingExpandA11yLabel}"
          info-opened="{{infoOpened_}}"
          no-automatic-collapse>
        <div slot="collapse" class="settings-columned-section">
          <div class="column">
            <h2 class="description-header">
              $i18n{privacyGuideFeatureDescriptionHeader}
            </h2>
            <ul>
              <li class="secondary">
                $i18n{preloadingPageStandardPreloadingWhenOnBulletOne}
              </li>
              <li class="secondary">
                $i18n{preloadingPageStandardPreloadingWhenOnBulletTwo}
              </li>
            </ul>
          </div>
          <div class="column">
            <h2 class="description-header">
              $i18n{privacyGuideThingsToConsider}
            </h2>
            <ul>
              <li class="secondary">
                $i18n{preloadingPageThingsToConsiderBulletOne}
              </li>
            </ul>
          </div>
        </div>
      </settings-collapse-radio-button>
    </settings-radio-group>
  </div>
</cr-collapse>