MD Settings: Fix Network section styling

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

Index: chrome/browser/resources/settings/internet_page/internet_subpage.js
diff --git a/chrome/browser/resources/settings/internet_page/internet_subpage.js b/chrome/browser/resources/settings/internet_page/internet_subpage.js
index 24c3483b18789144f5a9d60612857bb7a61f1159..c02bab27df7fd14f370538afe12304d46a01b0a3 100644
--- a/chrome/browser/resources/settings/internet_page/internet_subpage.js
+++ b/chrome/browser/resources/settings/internet_page/internet_subpage.js
@@ -31,7 +31,10 @@ Polymer({
      * Device state for the network type.
      * @type {?DeviceStateProperties|undefined}

[dschuyler, 2017/03/20 19:11:30]

Can this be undefined, or will it either be null or defined?

[stevenjb, 2017/03/24 21:00:03]

Done.

      */
-    deviceState: Object,
+    deviceState: {
+      type: Object,
+      value: null,
+    },
 
     /** @type {!chrome.networkingPrivate.GlobalPolicy|undefined} */
     globalPolicy: Object,
@@ -175,6 +178,8 @@ Polymer({
       configured: false
     };
     this.networkingPrivate.getNetworks(filter, function(networkStates) {
+      if (!this.deviceState)
+        return;
       if (this.deviceState.Type != CrOnc.Type.VPN) {
         this.networkStateList_ = networkStates;
         return;
@@ -294,6 +299,7 @@ Polymer({
 
   /** @private */
   onAddButtonTap_: function() {
+    assert(this.deviceState);
     chrome.send('addNetwork', [this.deviceState.Type]);
   },