Re-introduce the partial magnifier

chrome/browser/resources/options/browser_options.html

 <div id="settings" class="page" hidden>
   <header>
     <h1 i18n-content="settingsTitle"></h1>
   </header>
 <if expr="not pp_ifdef('chromeos')">
   <include src="sync_section.html">
 </if>
 <if expr="pp_ifdef('chromeos')">
   <section>
     <h3 i18n-content="sectionTitleInternet"></h3>
@@ skipping 619 matching lines @@
           </label>
         </div>
       </div>
       <div class="option-name">
         <div class="checkbox">
           <label>
             <input id="accessibility-screen-magnifier-check"
                 pref="settings.a11y.screen_magnifier" type="checkbox">
             <span i18n-content="accessibilityScreenMagnifier"></span>
           </label>
+          <select id="accessibility-screen-magnifier-type-select"
+              class="control" i18n-options="magnifierList" data-type="number"
+              pref="settings.a11y.screen_magnifier_type2">
+          </select>
         </div>
       </div>
       <div class="option-name" id="accessibility-tap-dragging">
         <div class="checkbox">
           <label>
             <input id="accessibility-tap-dragging-check"
                 pref="settings.touchpad.enable_tap_dragging" type="checkbox">
             <span i18n-content="accessibilityTapDragging"></span>
           </label>
         </div>
@@ skipping 32 matching lines @@
   </section>
 </if>
 </div>  <!-- advanced-settings-container -->
 </div>  <!-- advanced-settings -->
 <footer>
   <button id="advanced-settings-expander" class="link-button"
       i18n-content="showAdvancedSettings">
   </button>
 </footer>
 </div>