chrome/browser/resources/help/help_content.html

 <div class="content-area">
  <div id="about-container">
    <img id="product-logo" srcset="chrome://theme/current-channel-logo@1x 1x,
                                   chrome://theme/current-channel-logo@2x 2x"
        alt="">
    <div id="product-description">
      <h2>$i18n{aboutProductTitle}</h2>
      <span>$i18n{aboutProductDescription}</span>
    </div>
  </div>
  <div id="help-container">
    <button id="get-help">$i18n{getHelpWithChrome}</button>
<if expr="_google_chrome">
    <button id="report-issue">$i18n{reportAnIssue}</button>
</if>
  </div>
  <div id="version-container">
    <div>
      <span dir="ltr">$i18n{browserVersion}</span>
    </div>
<if expr="chromeos">
    <div>
      <span>$i18n{platform}</span>&nbsp;<span id="os-version"></span>
    </div>
    <div>
      <span>$i18n{arcVersion}</span>&nbsp;<span id="arc-version"></span>
    </div>
    <div>
      <span>$i18n{firmware}</span>&nbsp;<span id="firmware"></span>
    </div>
</if>
<if expr="chromeos or _google_chrome or is_linux">
    <div id="update-status-container" hidden>
      <div id="update-status-icon" class="help-page-icon up-to-date"></div>
      <div id="update-status-message-container">
        <div id="update-status-message">$i18n{updateCheckStarted}</div>
<if expr="is_macosx or is_win">
        <div id="update-obsolete-system-container" hidden>
          <span id="update-obsolete-system">$i18n{updateObsoleteSystem}</span>
          <a i18n-values="href:updateObsoleteSystemURL" target="_blank">
            $i18n{learnMore}
          </a>
        </div>
</if>
        <div id="allowed-connection-types-message" hidden></div>
      </div>
    </div>
<if expr="chromeos">
    <div id="eol-status-container" hidden>
      <div id="eol-status-icon" class="help-page-icon"></div>
      <div id="eol-status-message-container">
        <div id="eol-message"></div>
        <div id="eol-learnMore">$i18n{eolLearnMore}</div>
      </div>
    </div>
</if>
    <div id="update-buttons-container">
      <div id="update-percentage" hidden></div>
<if expr="is_macosx">
      <button id="promote" hidden>$i18n{promote}</button>
</if>
      <button id="relaunch" hidden>$i18n{relaunch}</button>
<if expr="chromeos">
      <button id="relaunch-and-powerwash" hidden>
        $i18n{relaunchAndPowerwash}
      </button>
      <button id="request-update">$i18n{updateButton}</button>
      <div id="controlled-feature-icon" class="help-page-icon" hidden></div>
</if>
    </div>
</if>
<if expr="chromeos">
    <div id="more-info-container">
      <section id="channel-changer-container" hidden>
        <h3>$i18n{channel}</h3>
        <select id="channel-changer">
          <option value="stable-channel">$i18n{stable}</option>
          <option value="beta-channel">$i18n{beta}</option>
          <option value="dev-channel">$i18n{dev}</option>
        </select>
        <div id="channel-change-confirmation" hidden></div>
      </section>
      <section id="channel-change-page-container" hidden>
        <h3>$i18n{channel}</h3>
        <div id="current-channel"></div>
        <div>
          <span id="dev-channel-disclaimer" hidden>
            $i18n{devChannelDisclaimer}
          </span>
        </div>
        <button id="change-channel" disabled>
          $i18n{channelChangeButton}
        </button>
        <div id="channel-change-disallowed-icon"
            class="help-page-icon" hidden>
        </div>
      </section>
      <section>
        <h3 dir="ltr">$i18n{jsEngine}</h3>
        <div>$i18n{jsEngineVersion}</div>
      </section>
      <section>
        <h3>$i18n{userAgent}</h3>
        <div dir="ltr">$i18n{userAgentInfo}</div>
      </section>
      <section>
        <h3>$i18n{commandLine}</h3>
        <div dir="ltr">$i18n{commandLineInfo}</div>
      </section>
      <section id="build-date-container" class="empty">
        <h3>$i18n{buildDate}</h3>
        <div id="build-date"></div>
      </section>
    </div>
    <a is="action-link" id="more-info-expander">$i18n{showMoreInfo}</a>
</if>
  </div>
  <div id="product-container">
    <div>$i18n{productName}</div>
    <div>$i18n{productCopyright}</div>
    <div id="product-license"></div>
<if expr="chromeos">
    <div id="product-os-license"></div>
</if>
<if expr="_google_chrome">
    <div id="product-tos"></div>
</if>
  </div>
<if expr="chromeos">
  <div id="regulatory-label-container" hidden>
    <img id="regulatory-label">
  </div>
</if>
</div>