Disable UI in chrome://settings/internet and details popup for policy-managed networks.

chrome/browser/resources/options/chromeos/internet_detail.html

 <div id="detailsInternetPage" class="page" hidden>
   <h1 id="inetTitle"></h1>
   <!-- Navigation tabs -->
   <div id="details-tab-strip" class="subpages-nav-tabs">
     <span id="wifiNetworkNavTab" class="tab wifi-details"
         tab-contents="wifiNetworkTab">
       <span class="tab-label"
           i18n-content="wifiNetworkTabLabel"></span>
       <span class="active-tab-label" i18n-content="wifiNetworkTabLabel"></span>
     </span>
@@ skipping 43 matching lines @@
     </section>
     <section>
       <table class="option-control-table">
         <tr class="prefer-network">
           <td>
             <div class="checkbox">
               <label>
                 <input id="preferNetworkWifi" type="checkbox">
                 <span i18n-content="inetPreferredNetwork"></span>
               </label>
+              <span class="controlled-setting-indicator" data="preferred"
+                  for="preferNetworkWifi"></span>
             </div>
           </td>
         </tr>
         <tr class="auto-connect-network">
           <td>
             <div class="checkbox">
               <label>
                 <input id="autoConnectNetworkWifi" type="checkbox">
                 <span i18n-content="inetAutoConnectNetwork"></span>
               </label>
+              <span class="controlled-setting-indicator" data="autoConnect"
+                  for="autoConnectNetworkWifi"></span>
             </div>
           </td>
         </tr>
       </table>
     </section>
     <section id="passwordNetwork" class="password-details">
       <table class="option-control-table">
         <tr>
           <td class="option-name" i18n-content="inetPassProtected"></td>
         </tr>
@@ skipping 89 matching lines @@
           <td class="option-name" i18n-content="errorState"></td>
           <td id="errorState" class="option-value"></td>
         </tr>
         <tr class="gsm-only apn-list-view">
           <td class="option-name" i18n-content="cellularApnLabel"></td>
           <td id="cellularApnLabel" class="option-value">
             <select id="selectApn">
               <option value="-1" i18n-content="cellularApnOther">
               </option>
             </select>
+            <span class="controlled-setting-indicator" data="providerApnList"
+                for="selectApn"></span>
           </td>
         </tr>
         <tr class="gsm-only apn-details-view">
           <td class="option-name" i18n-content="cellularApnLabel"></td>
           <td id="cellularApnLabel" class="option-value">
             <input id="cellularApn" type="text">
           </td>
         </tr>
         <tr class="gsm-only apn-details-view">
           <td class="option-name" i18n-content="cellularApnUsername"></td>
@@ skipping 18 matching lines @@
                 i18n-content="cellularApnCancel"></button>
           </td>
         </tr>
         <tr>
           <td colspan="2">
             <div class="checkbox">
               <label>
                 <input id="autoConnectNetworkCellular" type="checkbox">
                 <span i18n-content="inetAutoConnectNetwork"></span>
               </label>
+              <span class="controlled-setting-indicator" data="autoConnect"
+                  for="autoConnectNetworkCellular"></span>
             </div>
           </td>
         </tr>
       </table>
     </section>
   </div>
   <div id="cellularDeviceTab" class="subpages-tab-contents cellular-details">
     <section id="cellularDeviceOptions">
       <table class="option-control-table">
         <tr>
@@ skipping 56 matching lines @@
         </tr>
       </table>
     </section>
     <section id="ipconfigSection">
       <div>
         <div id="ipTypeDHCPDiv" class="radio">
           <label>
             <input type="radio" name="iptype" id="ipTypeDHCP" value="1">
             <span i18n-content="useDHCP"></span>
           </label>
+          <span class="controlled-setting-indicator" data="ipconfigDHCP"
+              for="ipTypeDHCP"></span>
         </div>
         <div id="ipTypeStaticDiv" class="radio">
           <label>
             <input type="radio" name="iptype" id="ipTypeStatic" value="0">
             <span i18n-content="useStaticIP"></span>
           </label>
+          <span class="controlled-setting-indicator" data="ipconfigStatic"
+              for="ipTypeStatic"></span>
         </div>
         <div class="suboption">
           <div id="ipConfigManagement" class="settings-list">
             <list id="ipConfigList"></list>
           </div>
         </div>
       </div>
     </section>
     <section id="change-proxy-section">
       <div>
         <button id="change-proxy-button" i18n-content="changeProxyButton">
         </button>
       </div>
     </section>
   </div>
   <div id="security-tab"
        class="subpages-tab-contents cellular-details gsm-only">
     <div id="cellular-security-options">
       <section>
         <div id="sim-pin-lock" class="checkbox">
-         <label>
-           <input id="sim-card-lock-enabled" type="checkbox">
-           <span i18n-content="lockSimCard"></span>
-         </label>
+          <label>
+            <input id="sim-card-lock-enabled" type="checkbox">
+            <span i18n-content="lockSimCard"></span>
+          </label>
+          <span class="controlled-setting-indicator" data="simCardLockEnabled"
+              for="sim-card-lock-enabled"></span>
         </div>
       </section>
       <section>
         <div id="change-pin-area">
           <button id="change-pin" i18n-content="changePinButton"></button>
+          <span class="controlled-setting-indicator" data="simCardLockEnabled"
+              for="change-pin"></span>
         </div>
       </section>
     </div>
   </div>
   <div class="action-area bottom-strip button-strip">
     <button id="detailsInternetDismiss"
             i18n-content="detailsInternetDismiss"></button>
     <button id="detailsInternetLogin"
             i18n-content="connect_button"></button>
     <button id="detailsInternetDisconnect"
             i18n-content="disconnect_button"></button>
     <button id="activateDetails"
             i18n-content="activate_button"></button>
     <button id="buyplanDetails"
             i18n-content="buyplan_button"></button>
   </div>
 </div>