chromium/chrome/browser/resources/settings/privacy_page/security_keys_set_pin_dialog.html

    <style include="settings-shared">
      cr-input {
        display: inline-block;
        --cr-input-width: 8em;
      }

      #newPIN {
        padding-inline-end: 2em;
      }

      #newPINRow {
        display: flex;
        flex-direction: row;
      }

      #newPINRow cr-input {
        width: 8em;
        --cr-input-error-white-space: nowrap;
      }

      paper-spinner-lite {
        padding-bottom: 12px;
      }
    </style>

    <cr-dialog id="dialog" close-text="$i18n{close}" ignore-popstate
        on-close="closeDialog_">
      <div slot="title">[[title_]]</div>
      <div slot="body">
        <cr-page-selector attr-for-selected="id" selected="[[shown_]]"
            on-iron-select="onIronSelect_">
          <div id="initial">
            <p>$i18n{securityKeysTouchToContinue}</p>
            <paper-spinner-lite active></paper-spinner-lite>
          </div>

          <div id="noPINSupport">
            <p>$i18n{securityKeysNoPIN}</p>
          </div>

          <div id="pinPrompt">
            <div id="currentPINEntry" hidden="[[!showCurrentEntry_]]">
              <p>$i18nRaw{securityKeysCurrentPINIntro}</p>

              <div id="currentPINRow">
                <cr-input id="currentPIN" value="{{currentPIN_}}"
                    min-length="[[currentMinPinLength_]]"
                    max-length="255" spellcheck="false"
                    on-input="onCurrentPinInput_"
                    invalid="[[isNonEmpty_(currentPINError_)]]"
                    label="$i18n{securityKeysCurrentPIN}"
                    type$="[[inputType_(pinsVisible_)]]"
                    error-message="[[currentPINError_]]">
                  <cr-icon-button slot="suffix" id="showPINsButton"
                      class$="[[showPinsClass_(pinsVisible_)]]"
                      title="[[showPinsTitle_(pinsVisible_)]]"
                      focus-row-control focus-type="showPassword"
                      on-click="showPinsClick_"></cr-icon-button>
                </cr-input>

              </div>
            </div>

            <p>[[newPINDialogDescription_]]</p>

            <div id="newPINRow">
              <cr-input id="newPIN" value="{{newPIN_}}"
                  min-length="[[newMinPinLength_]]"
                  max-length="255" spellcheck="false" on-input="onNewPinInput_"
                  label="$i18n{securityKeysPIN}"
                  type$="[[inputType_(pinsVisible_)]]"
                  invalid="[[isNonEmpty_(newPINError_)]]"
                  error-message="[[newPINError_]]">
                <!-- If a show/hide icon is included in this row, this div is
                     needed to ensure that the cr-input is the same height
                     as the one to the right. Otherwise they don't vertically
                     align -->
                <div style="height: 36px" slot="suffix"
                     hidden="[[showCurrentEntry_]]"></div>
              </cr-input>
              <cr-input id="confirmPIN" value="{{confirmPIN_}}"
                  min-length="[[newMinPinLength_]]"
                  max-length="255" spellcheck="false"
                  on-input="onConfirmPinInput_"
                  label="$i18n{securityKeysConfirmPIN}"
                  invalid="[[isNonEmpty_(confirmPINError_)]]"
                  type$="[[inputType_(pinsVisible_)]]"
                  error-message="[[confirmPINError_]]">
                <cr-icon-button slot="suffix"
                    class$="[[showPinsClass_(pinsVisible_)]]"
                    title="[[showPinsTitle_(pinsVisible_)]]"
                    hidden="[[showCurrentEntry_]]"
                    focus-row-control focus-type="showPassword"
                    on-click="showPinsClick_"></cr-icon-button>
              </cr-input>
            </div>
          </div>

          <div id="success">
            <p>$i18n{securityKeysPINSuccess}</p>
          </div>

          <div id="error">
            <p>[[pinFailed_(errorCode_)]]</p>
          </div>

          <div id="locked">
            <p>$i18n{securityKeysPINHardLock}</p>
          </div>

          <div id="reinsert">
            <p>$i18n{securityKeysPINSoftLock}</p>
          </div>
        </cr-page-selector>
      </div>

      <div slot="button-container">
        <cr-button id="closeButton"
            class$="[[maybeActionButton_(complete_)]]"
            on-click="closeDialog_">
          [[closeText_(complete_)]]
        </cr-button>
        <cr-button id="pinSubmit" class="action-button"
            on-click="pinSubmitNew_" disabled="[[!setPINButtonValid_]]"
            hidden="[[complete_]]">
          $i18n{securityKeysSetPINConfirm}
        </cr-button>
      </div>
    </cr-dialog>