[CUPS] Implement the "Printers" section in chrome://settings.

chrome/browser/resources/options/browser_options.html

 <div id="settings" class="page" hidden>
   <header>
     <h1 i18n-content="settingsTitle"></h1>
   </header>
   <include src="automatic_settings_reset_banner.html">
 <if expr="chromeos">
   <link rel="import" href="chrome://resources/cr_elements/network/cr_network_icon.html">
   <link rel="import" href="chrome://resources/cr_elements/network/cr_onc_types.html">
   <include src="secondary_user_banner.html">
   <section id="network-section-cros">
@@ skipping 744 matching lines @@
       <h3 i18n-content="advancedSectionTitleCertificates"></h3>
       <div>
 <if expr="use_nss_certs or is_win or is_macosx">
         <div class="settings-row">
           <button id="certificatesManageButton"
               i18n-content="certificatesManageButton"></button>
         </div>
 </if>
       </div>
   </section>
+<if expr="chromeos">
+  <section id="cups-printers-section" hidden>
+    <h3 i18n-content="advancedSectionTitleCupsPrint"></h3>
+    <div class="settings-row">
+      <span i18n-content="cupsPrintOptionLabel"></span>
+      <a target="_blank" i18n-content="learnMore"
+          i18n-values="href:cupsPrintLearnMoreURL">
+      </a>
+    </div>
+    <div class="settings-row">
+      <button id="cupsPrintersManageButton"
+          i18n-content="cupsPrintersManageButton"></button>
+    </div>
+  </section>
+</if>
 <if expr="enable_service_discovery">
     <section id="cloudprint-options-mdns">
       <h3 i18n-content="advancedSectionTitleCloudPrint"></h3>
       <div class="settings-row">
         <span i18n-content="cloudPrintOptionLabel"></span>
         <a target="_blank" i18n-content="learnMore"
            i18n-values="href:cloudPrintLearnMoreURL"></a>
       </div>
       <div class="settings-row">
         <button id="cloudPrintDevicesPageButton"
@@ skipping 343 matching lines @@
       </button>
     </div>
   </section>
   </div>  <!-- advanced-settings-container -->
   </div>  <!-- advanced-settings -->
   <footer id="advanced-settings-footer">
     <a is="action-link" id="advanced-settings-expander"
         i18n-content="showAdvancedSettings"></a>
   </footer>
 </div>