gistfile1.diff

diff --git a/browser/components/newtab/AboutNewTabService.jsm b/browser/components/newtab/AboutNewTabService.jsm
index 69390dfbc8a2..30796b29f398 100644
--- a/browser/components/newtab/AboutNewTabService.jsm
+++ b/browser/components/newtab/AboutNewTabService.jsm
@@ -23,6 +23,13 @@ ChromeUtils.defineModuleGetter(
   "AboutNewTab",
   "resource:///modules/AboutNewTab.jsm"
 );
+const PREF_SEPARATE_ABOUT_WELCOME = "browser.aboutwelcome.enabled";
+XPCOMUtils.defineLazyPreferenceGetter(
+  this,
+  "isSeparateAboutWelcome",
+  PREF_SEPARATE_ABOUT_WELCOME,
+  false
+);

 const TOPIC_APP_QUIT = "quit-application-granted";
 const TOPIC_CONTENT_DOCUMENT_INTERACTIVE = "content-document-interactive";
@@ -41,7 +48,6 @@ const IS_RELEASE_OR_BETA = AppConstants.RELEASE_OR_BETA;
 const PREF_SEPARATE_PRIVILEGEDABOUT_CONTENT_PROCESS =
   "browser.tabs.remote.separatePrivilegedContentProcess";
 const PREF_ACTIVITY_STREAM_DEBUG = "browser.newtabpage.activity-stream.debug";
-const PREF_SEPARATE_ABOUT_WELCOME = "browser.aboutwelcome.enabled";
 const SEPARATE_ABOUT_WELCOME_URL =
   "resource://activity-stream/aboutwelcome/aboutwelcome.html";

@@ -51,12 +57,6 @@ function AboutNewTabService() {
     PREF_SEPARATE_PRIVILEGEDABOUT_CONTENT_PROCESS,
     this
   );
-  XPCOMUtils.defineLazyPreferenceGetter(
-    this,
-    "isSeparateAboutWelcome",
-    PREF_SEPARATE_ABOUT_WELCOME,
-    false
-  );

   if (!IS_RELEASE_OR_BETA) {
     Services.prefs.addObserver(PREF_ACTIVITY_STREAM_DEBUG, this);
@@ -158,7 +158,7 @@ AboutNewTabService.prototype = {

         // Bail out early for separate about:welcome URL
         if (
-          this.isSeparateAboutWelcome &&
+          isSeparateAboutWelcome &&
           win.location.pathname.includes("welcome")
         ) {
           break;
@@ -276,7 +276,7 @@ AboutNewTabService.prototype = {
    * This is calculated in the same way the default URL is.
    */
   get welcomeURL() {
-    if (this.isSeparateAboutWelcome) {
+    if (isSeparateAboutWelcome) {
       return SEPARATE_ABOUT_WELCOME_URL;
     }
     return this.defaultURL;