Bug 1596845 - Make DNSServices available as Services.dns r=necko-reviewers,webdriver-reviewers,kershaw

Depends on D164347

Differential Revision: https://phabricator.services.mozilla.com/D164856

Author: valenting

browser/base/content/browser.js

@@ -285,7 +285,6 @@ XPCOMUtils.defineLazyServiceGetters(this, {
     "nsIURIClassifier",
   ],
   Favicons: ["@mozilla.org/browser/favicon-service;1", "nsIFaviconService"],
-  gDNSService: ["@mozilla.org/network/dns-service;1", "nsIDNSService"],
   WindowsUIUtils: ["@mozilla.org/windows-ui-utils;1", "nsIWindowsUIUtils"],
   BrowserHandler: ["@mozilla.org/browser/clh;1", "nsIBrowserHandler"],
 });

browser/components/doh/DoHController.jsm

@@ -79,13 +79,6 @@ XPCOMUtils.defineLazyServiceGetter(
   "nsICaptivePortalService"
 );
 
-XPCOMUtils.defineLazyServiceGetter(
-  lazy,
-  "gDNSService",
-  "@mozilla.org/network/dns-service;1",
-  "nsIDNSService"
-);
-
 XPCOMUtils.defineLazyServiceGetter(
   lazy,
   "gNetworkLinkService",
@@ -369,7 +362,7 @@ const DoHController = {
     };
 
     if (results.steeredProvider) {
-      lazy.gDNSService.setDetectedTrrURI(results.steeredProvider.uri);
+      Services.dns.setDetectedTrrURI(results.steeredProvider.uri);
       resultsForTelemetry.steeredProvider = results.steeredProvider.id;
     }