[CrOS Tether] Network detail settings page: Do not show irrelevant fields for Tether networks.

chrome/browser/resources/settings/internet_page/internet_detail_page.js

Index: chrome/browser/resources/settings/internet_page/internet_detail_page.js
diff --git a/chrome/browser/resources/settings/internet_page/internet_detail_page.js b/chrome/browser/resources/settings/internet_page/internet_detail_page.js
index ce8553d223b4e417441cc36678ed3c30df158512..0a79a415eaf1af034dee11b5812fd847e16e769b 100644
--- a/chrome/browser/resources/settings/internet_page/internet_detail_page.js
+++ b/chrome/browser/resources/settings/internet_page/internet_detail_page.js
@@ -887,8 +887,9 @@ Polymer({
    */
   getAdvancedFields_: function() {
     /** @type {!Array<string>} */ var fields = [];
-    fields.push('MacAddress');
     var type = this.networkProperties.Type;
+    if (type != CrOnc.Type.TETHER)
+      fields.push('MacAddress');
     if (type == CrOnc.Type.CELLULAR && !!this.networkProperties.Cellular) {
       fields.push(
           'Cellular.Carrier', 'Cellular.Family', 'Cellular.NetworkTechnology',
@@ -928,6 +929,11 @@ Polymer({
    * @private
    */
   showAdvanced_: function(networkProperties) {
+    if (networkProperties.Type == CrOnc.Type.TETHER) {
+      // These settings apply to the underlying WiFi network, not the Tether
+      // network.
+      return false;
+    }
     return this.hasAdvancedFields_() || this.hasDeviceFields_() ||
         this.isRememberedOrConnected_(networkProperties);
   },
@@ -962,6 +968,11 @@ Polymer({
    * @private
    */
   hasNetworkSection_: function(networkProperties) {
+    if (networkProperties.Type == CrOnc.Type.TETHER) {
+      // These settings apply to the underlying WiFi network, not the Tether
+      // network.
+      return false;
+    }
     if (networkProperties.Type == CrOnc.Type.VPN)
       return false;
     if (networkProperties.Type == CrOnc.Type.CELLULAR)