Bug 1000428 - Part 1: Drive WiFi UI option visibility from pref. r=janx

b2g/chrome/content/settings.js

@@ -657,6 +657,9 @@ let settingsToObserve = {
     defaultValue: false
   },
   'devtools.eventlooplag.threshold': 100,
+  'devtools.remote.wifi.visible': {
+    resetToPref: true
+  },
   'dom.mozApps.use_reviewer_certs': false,
   'layers.draw-borders': false,
   'layers.draw-tile-borders': false,

modules/libpref/src/init/all.js

@@ -654,6 +654,10 @@ pref("devtools.dump.emit", false);
 pref("devtools.discovery.log", false);
 // Disable scanning for DevTools devices via WiFi
 pref("devtools.remote.wifi.scan", false);
+// Hide UI options for controlling device visibility over WiFi
+// N.B.: This does not set whether the device can be discovered via WiFi, only
+// whether the UI control to make such a choice is shown to the user
+pref("devtools.remote.wifi.visible", false);
 
 // view source
 pref("view_source.syntax_highlight", true);