Bug 1429161 - Policy: Disable Forget Button. r=jaws

browser/components/customizableui/CustomizableWidgets.jsm

@@ -804,6 +804,7 @@ if (Services.prefs.getBoolPref("privacy.panicButton.enabled")) {
     id: "panic-button",
     type: "view",
     viewId: "PanelUI-panicView",
+    disabled: !Services.policies.isAllowed("panicButton"),
 
     forgetButtonCalled(aEvent) {
       let doc = aEvent.target.ownerDocument;

browser/components/enterprisepolicies/Policies.jsm

@@ -257,6 +257,14 @@ var Policies = {
     }
   },
 
+  "DisableForgetButton": {
+    onProfileAfterChange(manager, param) {
+      if (param) {
+        manager.disallowFeature("panicButton");
+      }
+    }
+  },
+
   "DisableFormHistory": {
     onBeforeUIStartup(manager, param) {
       if (param) {

browser/components/enterprisepolicies/schemas/policies-schema.json

@@ -206,6 +206,13 @@
       "type": "boolean"
     },
 
+    "DisableForgetButton": {
+      "description": "Prevents access to the \"Forget\" button.",
+      "first_available": "60.0",
+
+      "type": "boolean"
+    },
+
     "DisableFormHistory": {
       "description": "Don't remember search and form history.",
       "first_available": "60.0",

browser/components/enterprisepolicies/tests/browser/disable_forget_button/browser.ini

@@ -0,0 +1,7 @@
+[DEFAULT]
+prefs =
+  browser.policies.alternatePath='<test-root>/browser/components/enterprisepolicies/tests/browser/disable_forget_button/forget_button.json'
+support-files =
+  forget_button.json
+
+[browser_policy_disable_forgetbutton.js]

browser/components/enterprisepolicies/tests/browser/disable_forget_button/browser_policy_disable_forgetbutton.js

@@ -0,0 +1,9 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function test_policy_disable_forget_button() {
+  let widget = CustomizableUI.getWidget("panic-button");
+  is(widget.disabled, true, "Forget Button is disabled");
+});

browser/components/enterprisepolicies/tests/browser/disable_forget_button/forget_button.json

@@ -0,0 +1,5 @@
+{
+  "policies": {
+    "DisableForgetButton": true
+  }
+}

browser/components/enterprisepolicies/tests/moz.build

@@ -12,6 +12,7 @@ BROWSER_CHROME_MANIFESTS += [
     'browser/disable_app_update/browser.ini',
     'browser/disable_default_bookmarks/browser.ini',
     'browser/disable_developer_tools/browser.ini',
+    'browser/disable_forget_button/browser.ini',
     'browser/disable_fxscreenshots/browser.ini',
 ]