chromium/chrome/browser/resources/settings/on_startup_page/startup_url_dialog.html

    <style include="settings-shared"></style>
    <cr-dialog id="dialog" close-text="$i18n{close}">
      <div slot="title">[[dialogTitle_]]</div>
      <div slot="body">
        <cr-input id="url" label="$i18n{onStartupSiteUrl}"
            value="{{url_}}" on-input="validate_" spellcheck="false"
            maxlength="[[urlLimit_]]" invalid="[[hasError_(error_)]]" autofocus
            error-message="[[errorMessage_('$i18nPolymer{onStartupInvalidUrl}',
                '$i18nPolymer{onStartupUrlTooLong}', error_)]]">
        </cr-input>
      </div>
      <div slot="button-container">
        <cr-button class="cancel-button" on-click="onCancelClick_"
            id="cancel">$i18n{cancel}</cr-button>
        <cr-button id="actionButton" class="action-button"
            on-click="onActionButtonClick_">[[actionButtonText_]]</cr-button>
      </div>
    </cr-dialog>