Bug 1639980 - Hide Pocket saved pages if Pocket is disabled. r=Mardak

Differential Revision: https://phabricator.services.mozilla.com/D79750

browser/components/newtab/lib/AboutPreferences.jsm

@@ -245,6 +245,7 @@ this.AboutPreferences = class AboutPreferences {
         linkPref(subcheck, nested.name, "bool");
         subChecks.push(subcheck);
         subcheck.disabled = !pref._value;
+        subcheck.hidden = nested.hidden;
       });
 
       // Disable any nested checkboxes if the parent pref is not enabled.

browser/components/newtab/lib/SectionsManager.jsm

@@ -111,6 +111,10 @@ const BUILT_IN_SECTIONS = {
         {
           name: "section.highlights.includePocket",
           titleString: "home-prefs-highlights-option-saved-to-pocket",
+          hidden: !Services.prefs.getBoolPref(
+            "extensions.pocket.enabled",
+            true
+          ),
         },
       ],
     },

browser/components/newtab/test/unit/lib/AboutPreferences.test.js

@@ -305,6 +305,13 @@ describe("AboutPreferences Feed", () => {
 
         assert.calledWith(node.setAttribute, "data-l10n-id", titleString);
       });
+      it("should set node hidden to true", () => {
+        prefStructure[0].pref.nestedPrefs[0].hidden = true;
+
+        testRender();
+
+        assert.isTrue(node.hidden);
+      });
       it("should add a change event", () => {
         testRender();