chromium/ash/webui/common/resources/network/network_siminfo.html

<style include="network-shared iron-flex">
  :host {
    cursor: default
  }

  iron-icon {
    margin-inline-end: 10px;
  }

  cr-policy-indicator {
    margin-inline-end: var(--cr-button-edge-spacing);
  }

  cr-toggle {
    margin-inline-start: var(--cr-button-edge-spacing);
  }

  .separator {
    border-inline-start: var(--cr-separator-line);
    flex-shrink: 0;
    height: calc(var(--cr-section-min-height) - 9px);
    margin-inline-end: var(--cr-section-padding);
    margin-inline-start: var(--cr-section-padding);
  }

  .pin-required-subtext {
    color: var(--cros-text-color-secondary);
  }
</style>

<!-- SIM locked -->
<template is="dom-if" if="[[eq_(State.SIM_LOCKED, state_)]]" restamp>
  <template is="dom-if" if="[[!isSimCarrierLocked_(isActiveSim_,
      deviceState)]]" restamp>
    <div id="simLocked" class="property-box two-line">
      <cr-button id="unlockPinButton"
          on-click="onUnlockPinTap_"
          disabled="[[disabled]]">
        [[i18n('networkSimUnlock')]]
      </cr-button>
    </div>
  </template>
</template>

<!-- SIM unlocked -->
<template is="dom-if" if="[[eq_(State.SIM_UNLOCKED, state_)]]" restamp>
  <div class="property-box two-line">
    <div class="flex layout vertical"  aria-hidden="true">
      <div id="pinRequiredLabel">
        [[i18n('networkSimLockEnable')]]
      </div>
      <div id="pinRequiredSublabel" class="pin-required-subtext">
        [[i18n('networkSimLockEnableSublabel')]]
      </div>
    </div>
    <cr-button id="changePinButton" on-click="onChangePinTap_"
        hidden$="[[!showChangePinButton_(deviceState, isActiveSim_,
            isSimPinLockRestricted_)]]"
        disabled="[[disabled]]">
      [[i18n('networkSimChangePin')]]
    </cr-button>
    <template is="dom-if" if="[[!isActiveSim_]]" restamp>
      <iron-icon id="help-icon" tabindex="0" icon="cr:help-outline"
          aria-labelledby="pinRequiredLabel pinRequiredSublabel inActiveSimLockTooltip">
      </iron-icon>
      <paper-tooltip id="inActiveSimLockTooltip" for="help-icon" position="bottom"
          aria-hidden="true" fit-to-visible-bounds>
          [[i18n('networkSimLockedTooltip')]]
      </paper-tooltip>
      <div class="separator"></div>
    </template>
    <template is="dom-if" if="[[shouldShowPolicyIndicator_(isActiveSim_,
        isSimPinLockRestricted_)]]" restamp>
      <cr-policy-indicator id="simLockPolicyIcon" indicator-type="devicePolicy">
      </cr-policy-indicator>
    </template>
    <cr-toggle id="simLockButton"
        disabled="[[isSimLockButtonDisabled_(disabled, isActiveSim_,
            isSimPinLockRestricted_, lockEnabled_)]]"
        on-change="onSimLockEnabledChange_" checked="{{lockEnabled_}}"
        aria-labelledby="pinRequiredLabel pinRequiredSublabel">
    </cr-toggle>
  </div>
</template>

<template is="dom-if" if="[[isDialogOpen_]]" restamp>
  <sim-lock-dialogs
      global-policy="[[globalPolicy]]"
      show-change-pin="[[showChangePin_]]"
      is-dialog-open="{{isDialogOpen_}}"
      device-state="[[deviceState]]">
  </sim-lock-dialogs>
</template>