Bug 1658471 - Remove dom.security.featurePolicy.enabled. r=baku

We've shipped it on by default since 74 (bug 1617219). Differential Revision: https://phabricator.services.mozilla.com/D86665
2020-08-12 10:57:04 +00:00 · 2020-08-12 10:57:04 +00:00 · 0c03ba166c
--- a/browser/base/content/test/fullscreen/browser_bug1620341.js
+++ b/browser/base/content/test/fullscreen/browser_bug1620341.js
@ -64,7 +64,6 @@ add_task(async function test_fullscreen_cross_origin() {
      ["full-screen-api.allow-trusted-requests-only", false],
      ["full-screen-api.transition-duration.enter", "0 0"],
      ["full-screen-api.transition-duration.leave", "0 0"],
-      ["dom.security.featurePolicy.enabled", true],
      ["dom.security.featurePolicy.header.enabled", true],
      ["dom.security.featurePolicy.webidl.enabled", true],
    ],
--- a/browser/base/content/test/fullscreen/browser_fullscreen_cross_origin.js
+++ b/browser/base/content/test/fullscreen/browser_fullscreen_cross_origin.js
@ -54,7 +54,6 @@ add_task(async function test_fullscreen_cross_origin() {
          ["full-screen-api.allow-trusted-requests-only", false],
          ["full-screen-api.transition-duration.enter", "0 0"],
          ["full-screen-api.transition-duration.leave", "0 0"],
-          ["dom.security.featurePolicy.enabled", true],
          ["dom.security.featurePolicy.header.enabled", true],
          ["dom.security.featurePolicy.webidl.enabled", true],
        ],
--- a/browser/base/content/test/permissions/browser_permission_delegate_geo.js
+++ b/browser/base/content/test/permissions/browser_permission_delegate_geo.js
@ -114,7 +114,6 @@ add_task(async function setup() {
    SpecialPowers.pushPrefEnv(
      {
        set: [
-          ["dom.security.featurePolicy.enabled", true],
          ["dom.security.featurePolicy.header.enabled", true],
          ["dom.security.featurePolicy.webidl.enabled", true],
          ["permissions.delegation.enabled", true],
--- a/browser/base/content/test/permissions/browser_permissions_delegate_vibrate.js
+++ b/browser/base/content/test/permissions/browser_permissions_delegate_vibrate.js
@ -13,7 +13,6 @@ add_task(async function testNoPermissionPrompt() {
      SpecialPowers.pushPrefEnv(
        {
          set: [
-            ["dom.security.featurePolicy.enabled", true],
            ["permissions.delegation.enabled", true],
            ["dom.vibrator.enabled", true],
            ["dom.security.featurePolicy.header.enabled", true],
--- a/browser/base/content/test/permissions/browser_temporary_permissions.js
+++ b/browser/base/content/test/permissions/browser_temporary_permissions.js
@ -71,7 +71,6 @@ add_task(async function testTempPermissionSubframes() {
      SpecialPowers.pushPrefEnv(
        {
          set: [
-            ["dom.security.featurePolicy.enabled", true],
            ["dom.security.featurePolicy.header.enabled", true],
            ["dom.security.featurePolicy.webidl.enabled", true],
          ],
--- a/browser/base/content/test/webrtc/browser_devices_get_user_media_in_frame.js
+++ b/browser/base/content/test/webrtc/browser_devices_get_user_media_in_frame.js
@ -3,10 +3,7 @@
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 SpecialPowers.pushPrefEnv({
-  set: [
-    ["dom.security.featurePolicy.enabled", true],
-    ["permissions.delegation.enabled", true],
-  ],
+  set: [["permissions.delegation.enabled", true]],
 });

 let gShouldObserveSubframes = false;
--- a/browser/base/content/test/webrtc/browser_devices_get_user_media_in_xorigin_frame.js
+++ b/browser/base/content/test/webrtc/browser_devices_get_user_media_in_xorigin_frame.js
@ -782,7 +782,6 @@ add_task(async function test() {
  await SpecialPowers.pushPrefEnv({
    set: [
      ["permissions.delegation.enabled", true],
-      ["dom.security.featurePolicy.enabled", true],
      ["dom.security.featurePolicy.header.enabled", true],
      ["dom.security.featurePolicy.webidl.enabled", true],
    ],
--- a/browser/base/content/test/webrtc/browser_devices_get_user_media_in_xorigin_frame_chain.js
+++ b/browser/base/content/test/webrtc/browser_devices_get_user_media_in_xorigin_frame_chain.js
@ -241,7 +241,6 @@ add_task(async function test() {
  await SpecialPowers.pushPrefEnv({
    set: [
      ["permissions.delegation.enabled", true],
-      ["dom.security.featurePolicy.enabled", true],
      ["dom.security.featurePolicy.header.enabled", true],
      ["dom.security.featurePolicy.webidl.enabled", true],
    ],
--- a/docshell/base/BrowsingContext.cpp
+++ b/docshell/base/BrowsingContext.cpp
@ -514,8 +514,9 @@ static bool OwnerAllowsFullscreen(const Element& aEmbedder) {
  if (aEmbedder.IsXULElement()) {
    return !aEmbedder.HasAttr(nsGkAtoms::disablefullscreen);
  }
-  if (const auto* iframe = HTMLIFrameElement::FromNode(aEmbedder)) {
-    return iframe->AllowFullscreen();
+  if (aEmbedder.IsHTMLElement(nsGkAtoms::iframe)) {
+    // This is controlled by feature policy.
+    return true;
  }
  if (const auto* embed = HTMLEmbedElement::FromNode(aEmbedder)) {
    return embed->AllowFullscreen();
--- a/dom/base/Document.cpp
+++ b/dom/base/Document.cpp
@ -3509,10 +3509,6 @@ nsresult Document::InitFeaturePolicy(nsIChannel* aChannel) {

  mFeaturePolicy->ResetDeclaredPolicy();

-  if (!StaticPrefs::dom_security_featurePolicy_enabled()) {
-    return NS_OK;
-  }
-
  mFeaturePolicy->SetDefaultOrigin(NodePrincipal());

  RefPtr<mozilla::dom::FeaturePolicy> parentPolicy = GetParentFeaturePolicy();
--- a/dom/html/HTMLIFrameElement.cpp
+++ b/dom/html/HTMLIFrameElement.cpp
@ -66,12 +66,9 @@ HTMLIFrameElement::~HTMLIFrameElement() = default;

 NS_IMPL_ELEMENT_CLONE(HTMLIFrameElement)

-void HTMLIFrameElement::BindToBrowsingContext(
-    BrowsingContext* aBrowsingContext) {
-  if (StaticPrefs::dom_security_featurePolicy_enabled()) {
+void HTMLIFrameElement::BindToBrowsingContext(BrowsingContext*) {
  RefreshFeaturePolicy(true /* parse the feature policy attribute */);
 }
-}

 bool HTMLIFrameElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
                                       const nsAString& aValue,
@ -154,19 +151,6 @@ nsMapRuleToAttributesFunc HTMLIFrameElement::GetAttributeMappingFunction()
  return &MapAttributesIntoRule;
 }

-bool HTMLIFrameElement::HasAllowFullscreenAttribute() const {
-  return GetBoolAttr(nsGkAtoms::allowfullscreen);
-}
-
-bool HTMLIFrameElement::AllowFullscreen() const {
-  if (StaticPrefs::dom_security_featurePolicy_enabled()) {
-    // The feature policy check in Document::GetFullscreenError already accounts
-    // for the allow* attributes, so we're done.
-    return true;
-  }
-  return HasAllowFullscreenAttribute();
-}
-
 nsresult HTMLIFrameElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
                                         const nsAttrValue* aValue,
                                         const nsAttrValue* aOldValue,
@ -182,16 +166,8 @@ nsresult HTMLIFrameElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
        // alreay been updated.
        mFrameLoader->ApplySandboxFlags(GetSandboxFlags());
      }
-    } else if (aName == nsGkAtoms::allowfullscreen) {
-      if (mFrameLoader) {
-        if (auto* bc = mFrameLoader->GetExtantBrowsingContext()) {
-          MOZ_ALWAYS_SUCCEEDS(
-              bc->SetFullscreenAllowedByOwner(AllowFullscreen()));
-        }
-      }
    }

-    if (StaticPrefs::dom_security_featurePolicy_enabled()) {
    if (aName == nsGkAtoms::allow || aName == nsGkAtoms::src ||
        aName == nsGkAtoms::srcdoc || aName == nsGkAtoms::sandbox) {
      RefreshFeaturePolicy(true /* parse the feature policy attribute */);
@ -200,7 +176,6 @@ nsresult HTMLIFrameElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
      RefreshFeaturePolicy(false /* parse the feature policy attribute */);
    }
  }
-  }
  return nsGenericHTMLFrameElement::AfterSetAttr(
      aNameSpaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
 }
@ -303,8 +278,6 @@ HTMLIFrameElement::GetFeaturePolicyDefaultOrigin() const {
 }

 void HTMLIFrameElement::RefreshFeaturePolicy(bool aParseAllowAttribute) {
-  MOZ_ASSERT(StaticPrefs::dom_security_featurePolicy_enabled());
-
  if (aParseAllowAttribute) {
    mFeaturePolicy->ResetDeclaredPolicy();

@ -327,7 +300,7 @@ void HTMLIFrameElement::RefreshFeaturePolicy(bool aParseAllowAttribute) {
    mFeaturePolicy->MaybeSetAllowedPolicy(u"payment"_ns);
  }

-  if (HasAllowFullscreenAttribute()) {
+  if (AllowFullscreen()) {
    mFeaturePolicy->MaybeSetAllowedPolicy(u"fullscreen"_ns);
  }

--- a/dom/html/HTMLIFrameElement.h
+++ b/dom/html/HTMLIFrameElement.h
@ -71,18 +71,14 @@ class HTMLIFrameElement final : public nsGenericHTMLFrameElement {
    return mSandbox;
  }

-  bool AllowFullscreenForBindings() const {
+  bool AllowFullscreen() const {
    return GetBoolAttr(nsGkAtoms::allowfullscreen);
  }

-  void SetAllowFullscreenForBindings(bool aAllow, ErrorResult& aError) {
+  void SetAllowFullscreen(bool aAllow, ErrorResult& aError) {
    SetHTMLBoolAttr(nsGkAtoms::allowfullscreen, aAllow, aError);
  }

-  bool AllowFullscreen() const;
-
-  bool HasAllowFullscreenAttribute() const;
-
  bool AllowPaymentRequest() const {
    return GetBoolAttr(nsGkAtoms::allowpaymentrequest);
  }
--- a/dom/html/test/test_fullscreen-api.html
+++ b/dom/html/test/test_fullscreen-api.html
@ -50,8 +50,7 @@ var gTestWindows = [
  { test: "file_fullscreen-table.html" },
  { test: "file_fullscreen-event-order.html" },
  { test: "file_fullscreen-featurePolicy.html",
-    prefs: [["dom.security.featurePolicy.enabled", true],
-            ["dom.security.featurePolicy.header.enabled", true],
+    prefs: [["dom.security.featurePolicy.header.enabled", true],
            ["dom.security.featurePolicy.webidl.enabled", true]] },
  { test: "file_fullscreen-async.html" },
  { test: "file_fullscreen-sub-iframe.html" },
--- a/dom/interfaces/base/nsIPermissionDelegateHandler.idl
+++ b/dom/interfaces/base/nsIPermissionDelegateHandler.idl
@ -25,8 +25,7 @@ interface nsIPermissionDelegateHandler : nsISupports
  boolean maybeUnsafePermissionDelegate(in Array<ACString> aTypes);

  /*
-   * Return true if both permissions.delegation.enabled and
-   * dom.security.featurePolicy.enabled pref are true.
+   * Return true if permissions.delegation.enabled is true.
   */
  readonly attribute boolean permissionDelegateFPEnabled;
 };
--- a/dom/media/systemservices/CamerasParent.cpp
+++ b/dom/media/systemservices/CamerasParent.cpp
@ -650,8 +650,7 @@ static bool HasCameraPermission(const uint64_t& aWindowId) {

  // If we delegate permission from first party, we should use the top level
  // window
-  if (StaticPrefs::dom_security_featurePolicy_enabled() &&
-      StaticPrefs::permissions_delegation_enabled()) {
+  if (StaticPrefs::permissions_delegation_enabled()) {
    RefPtr<dom::BrowsingContext> topBC = window->BrowsingContext()->Top();
    window = topBC->Canonical()->GetCurrentWindowGlobal();
  }
--- a/dom/media/tests/mochitest/test_enumerateDevices.html
+++ b/dom/media/tests/mochitest/test_enumerateDevices.html
@ -42,8 +42,7 @@ var validateDevice = ({kind, label, deviceId, groupId}) => {
 }

 runTest(async () => {
-  await pushPrefs(["media.navigator.streams.fake", true],
-                  ["dom.security.featurePolicy.enabled", true]);
+  await pushPrefs(["media.navigator.streams.fake", true]);

  // Validate enumerated devices.

--- a/dom/permission/tests/mochitest.ini
+++ b/dom/permission/tests/mochitest.ini
@ -2,7 +2,6 @@
 support-files =
  file_empty.html
 prefs =
-  dom.security.featurePolicy.enabled=true
  dom.security.featurePolicy.header.enabled=true
  dom.security.featurePolicy.webidl.enabled=true

--- a/dom/quota/test/browser/browser_permissionsCrossOrigin.js
+++ b/dom/quota/test/browser/browser_permissionsCrossOrigin.js
@ -24,7 +24,6 @@ addTest(async function testNoPermissionPrompt() {
      SpecialPowers.pushPrefEnv(
        {
          set: [
-            ["dom.security.featurePolicy.enabled", true],
            ["permissions.delegation.enabled", true],
            ["dom.security.featurePolicy.header.enabled", true],
            ["dom.security.featurePolicy.webidl.enabled", true],
--- a/dom/security/featurepolicy/FeaturePolicy.h
+++ b/dom/security/featurepolicy/FeaturePolicy.h
@ -18,8 +18,7 @@
 * ~~~~~~~~~~~~~
 *
 * Each document and each HTMLIFrameElement have a FeaturePolicy object which is
- * used to allow or deny features in their contexts. FeaturePolicy is active
- * when pref dom.security.featurePolicy.enabled is set to true.
+ * used to allow or deny features in their contexts.
 *
 * FeaturePolicy is composed by a set of directives configured by the
 * 'Feature-Policy' HTTP Header and the 'allow' attribute in HTMLIFrameElements.
--- a/dom/security/featurepolicy/FeaturePolicyUtils.cpp
+++ b/dom/security/featurepolicy/FeaturePolicyUtils.cpp
@ -156,10 +156,6 @@ bool FeaturePolicyUtils::IsFeatureUnsafeAllowedAll(
    Document* aDocument, const nsAString& aFeatureName) {
  MOZ_ASSERT(aDocument);

-  if (!StaticPrefs::dom_security_featurePolicy_enabled()) {
-    return false;
-  }
-
  if (!aDocument->IsHTMLDocument()) {
    return false;
  }
@ -179,10 +175,6 @@ bool FeaturePolicyUtils::IsFeatureAllowed(Document* aDocument,
                                          const nsAString& aFeatureName) {
  MOZ_ASSERT(aDocument);

-  if (!StaticPrefs::dom_security_featurePolicy_enabled()) {
-    return true;
-  }
-
  // Skip apply features in experimental phase
  if (!StaticPrefs::dom_security_featurePolicy_experimental_enabled() &&
      IsExperimentalFeature(aFeatureName)) {
--- a/dom/security/featurepolicy/test/mochitest/mochitest.ini
+++ b/dom/security/featurepolicy/test/mochitest/mochitest.ini
@ -1,6 +1,5 @@
 [DEFAULT]
 prefs =
-  dom.security.featurePolicy.enabled=true
  dom.security.featurePolicy.header.enabled=true
  dom.security.featurePolicy.webidl.enabled=true
 support-files =
--- a/dom/tests/mochitest/geolocation/mochitest.ini
+++ b/dom/tests/mochitest/geolocation/mochitest.ini
@ -7,7 +7,6 @@ support-files =
  network_geolocation.sjs
  windowTest.html
 prefs =
-  dom.security.featurePolicy.enabled=true
  dom.security.featurePolicy.header.enabled=true
  dom.security.featurePolicy.webidl.enabled=true

--- a/dom/tests/mochitest/geolocation/test_crossorigin_iframe.html
+++ b/dom/tests/mochitest/geolocation/test_crossorigin_iframe.html
@ -53,7 +53,6 @@ async function nextTest() {
 }

 SpecialPowers.pushPrefEnv({"set": [
-  ["dom.security.featurePolicy.enabled", true],
  ["dom.security.featurePolicy.header.enabled", true],
  ["dom.security.featurePolicy.webidl.enabled", true],
 ]}).then(nextTest);
--- a/dom/webidl/HTMLIFrameElement.webidl
+++ b/dom/webidl/HTMLIFrameElement.webidl
@ -25,7 +25,7 @@ interface HTMLIFrameElement : HTMLElement {
           attribute DOMString name;
  [PutForwards=value] readonly attribute DOMTokenList sandbox;
           // attribute boolean seamless;
-  [CEReactions, SetterThrows, Pure, BinaryName="allowFullscreenForBindings"]
+  [CEReactions, SetterThrows, Pure]
           attribute boolean allowFullscreen;
  [CEReactions, SetterThrows, Pure]
           attribute boolean allowPaymentRequest;
@ -70,6 +70,6 @@ partial interface HTMLIFrameElement {
  [SameObject, Pref="dom.security.featurePolicy.webidl.enabled"]
  readonly attribute FeaturePolicy featurePolicy;

-  [CEReactions, SetterThrows, Pure, Pref="dom.security.featurePolicy.enabled"]
+  [CEReactions, SetterThrows, Pure]
           attribute DOMString allow;
 };
--- a/extensions/permissions/PermissionDelegateHandler.cpp
+++ b/extensions/permissions/PermissionDelegateHandler.cpp
@ -108,8 +108,7 @@ PermissionDelegateHandler::MaybeUnsafePermissionDelegate(
 NS_IMETHODIMP
 PermissionDelegateHandler::GetPermissionDelegateFPEnabled(bool* aEnabled) {
  MOZ_ASSERT(NS_IsMainThread());
-  *aEnabled = StaticPrefs::permissions_delegation_enabled() &&
-              StaticPrefs::dom_security_featurePolicy_enabled();
+  *aEnabled = StaticPrefs::permissions_delegation_enabled();
  return NS_OK;
 }

@ -131,8 +130,7 @@ nsresult PermissionDelegateHandler::GetDelegatePrincipal(
  }

  if (info->mPolicy == DelegatePolicy::eDelegateUseTopOrigin ||
-      (info->mPolicy == DelegatePolicy::eDelegateUseFeaturePolicy &&
-       StaticPrefs::dom_security_featurePolicy_enabled())) {
+      info->mPolicy == DelegatePolicy::eDelegateUseFeaturePolicy) {
    return aRequest->GetTopLevelPrincipal(aResult);
  }

@ -257,8 +255,7 @@ nsresult PermissionDelegateHandler::GetPermission(const nsACString& aType,
  RefPtr<BrowsingContext> bc = mDocument->GetBrowsingContext();

  if ((info->mPolicy == DelegatePolicy::eDelegateUseTopOrigin ||
-       (info->mPolicy == DelegatePolicy::eDelegateUseFeaturePolicy &&
-        StaticPrefs::dom_security_featurePolicy_enabled())) &&
+       info->mPolicy == DelegatePolicy::eDelegateUseFeaturePolicy) &&
      bc) {
    RefPtr<WindowContext> topWC = bc->GetTopWindowContext();

--- a/layout/style/test/chrome/test_display_mode.html
+++ b/layout/style/test/chrome/test_display_mode.html
@ -17,7 +17,6 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=1104916
        SpecialPowers.pushPrefEnv(
          {
            set: [
-              ["dom.security.featurePolicy.enabled", true],
              ["dom.security.featurePolicy.header.enabled", true],
              ["dom.security.featurePolicy.webidl.enabled", true],
            ],
--- a/layout/style/test/chrome/test_display_mode_reflow.html
+++ b/layout/style/test/chrome/test_display_mode_reflow.html
@ -17,7 +17,6 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=1256084
        SpecialPowers.pushPrefEnv(
          {
            set: [
-              ["dom.security.featurePolicy.enabled", true],
              ["dom.security.featurePolicy.header.enabled", true],
              ["dom.security.featurePolicy.webidl.enabled", true],
            ],
--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@ -2544,13 +2544,6 @@
  value: false
  mirror: always

-# This pref enables FeaturePolicy logic and the parsing of 'allow' attribute in
-# HTMLIFrameElement objects.
- name: dom.security.featurePolicy.enabled
-  type: bool
-  value: true
-  mirror: always
-
 # This pref enables Sec-Fetch-* logic and causes corresponding
 # request headers to be set.
 - name: dom.security.secFetch.enabled
--- a/testing/web-platform/meta/battery-status/dir.ini
+++ b/testing/web-platform/meta/battery-status/dir.ini
@ -1,3 +1,3 @@
 implementation-status: backlog
 bug: 1634369
-prefs: [dom.security.featurePolicy.enabled:true, dom.battery.enabled:true]
+prefs: [dom.battery.enabled:true]
--- a/testing/web-platform/meta/encrypted-media/dir.ini
+++ b/testing/web-platform/meta/encrypted-media/dir.ini
@ -1,3 +1,3 @@
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
 lsan-disabled: true
 leak-threshold: [default:51200]
--- a/testing/web-platform/meta/feature-policy/dir.ini
+++ b/testing/web-platform/meta/feature-policy/dir.ini
@ -1,2 +1,2 @@
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true, dom.payments.request.enabled:true, dom.reporting.enabled:true, dom.reporting.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true, dom.webmidi.enabled:true, dom.vr.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.payments.request.enabled:true, dom.reporting.enabled:true, dom.reporting.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true, dom.webmidi.enabled:true, dom.vr.enabled:true]
 leak-threshold: [default:51200]
--- a/testing/web-platform/meta/geolocation-sensor/dir.ini
+++ b/testing/web-platform/meta/geolocation-sensor/dir.ini
@ -1,2 +1,2 @@
 implementation-status: backlog
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true, dom.reporting.enabled:true, dom.reporting.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.reporting.enabled:true, dom.reporting.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
--- a/testing/web-platform/meta/html/browsers/origin/relaxing-the-same-origin-restriction/dir.ini
+++ b/testing/web-platform/meta/html/browsers/origin/relaxing-the-same-origin-restriction/dir.ini
@ -1 +1 @@
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true]
--- a/testing/web-platform/meta/html/dom/idlharness.https.html.ini
+++ b/testing/web-platform/meta/html/dom/idlharness.https.html.ini
@ -1,4 +1,4 @@
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true, dom.webcomponents.formAssociatedCustomElement.enabled:true, dom.forms.requestsubmit.enabled:true, dom.forms.inputmode:true, dom.forms.enterkeyhint:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true, dom.webcomponents.formAssociatedCustomElement.enabled:true, dom.forms.requestsubmit.enabled:true, dom.forms.inputmode:true, dom.forms.enterkeyhint:true]
 [idlharness.https.html?exclude=(Document|Window|HTML.*)]
  [OffscreenCanvasRenderingContext2D interface: operation lineTo(unrestricted double, unrestricted double)]
    expected: FAIL
--- a/testing/web-platform/meta/html/semantics/embedded-content/media-elements/dir.ini
+++ b/testing/web-platform/meta/html/semantics/embedded-content/media-elements/dir.ini
@ -1 +1 @@
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
--- a/testing/web-platform/meta/idle-detection/idle-detection-allowed-by-feature-policy-attribute-redirect-on-load.https.sub.html.ini
+++ b/testing/web-platform/meta/idle-detection/idle-detection-allowed-by-feature-policy-attribute-redirect-on-load.https.sub.html.ini
@ -1,4 +1,4 @@
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true]
 [idle-detection-allowed-by-feature-policy-attribute-redirect-on-load.https.sub.html]
  expected: ERROR
  [Attribute allow="idle-detection" in top-level frame disallows workers in cross-origin relocation.]
--- a/testing/web-platform/meta/idle-detection/idle-detection-allowed-by-feature-policy-attribute.https.sub.html.ini
+++ b/testing/web-platform/meta/idle-detection/idle-detection-allowed-by-feature-policy-attribute.https.sub.html.ini
@ -1,4 +1,4 @@
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true]
 [idle-detection-allowed-by-feature-policy-attribute.https.sub.html]
  expected: ERROR
  [Attribute allow="idle-detection" in top-level frame can be enabled in a worker in cross-origin iframe using Feature policy "idle-detection".]
--- a/testing/web-platform/meta/mediacapture-record/dir.ini
+++ b/testing/web-platform/meta/mediacapture-record/dir.ini
@ -1,2 +1,2 @@
-prefs: [media.navigator.permission.disabled:true, media.navigator.streams.fake:true, dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [media.navigator.permission.disabled:true, media.navigator.streams.fake:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
 lsan-allowed: [NewSegment, mozilla::layers::BufferTextureData::CreateInternal]
--- a/testing/web-platform/meta/mediacapture-streams/dir.ini
+++ b/testing/web-platform/meta/mediacapture-streams/dir.ini
@ -1,2 +1,2 @@
-prefs: [media.navigator.permission.disabled:true, media.navigator.streams.fake:true, dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [media.navigator.permission.disabled:true, media.navigator.streams.fake:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
 lsan-allowed: [NewSegment, mozilla::layers::BufferTextureData::CreateInternal]
--- a/testing/web-platform/meta/permissions/permissions-query-feature-policy-attribute.https.sub.html.ini
+++ b/testing/web-platform/meta/permissions/permissions-query-feature-policy-attribute.https.sub.html.ini
@ -1 +1 @@
-prefs: [permissions.delegation.enabled:true, dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [permissions.delegation.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
--- a/testing/web-platform/meta/screen-capture/dir.ini
+++ b/testing/web-platform/meta/screen-capture/dir.ini
@ -1,2 +1,2 @@
-prefs: [media.navigator.permission.disabled:true, media.navigator.streams.fake:true, dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [media.navigator.permission.disabled:true, media.navigator.streams.fake:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
 leak-threshold: [default:307200]
--- a/testing/web-platform/meta/serial/dir.ini
+++ b/testing/web-platform/meta/serial/dir.ini
@ -1,3 +1,3 @@
 implementation-status: backlog
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true]
 leak-threshold: [default:51200]
--- a/testing/web-platform/meta/wake-lock/dir.ini
+++ b/testing/web-platform/meta/wake-lock/dir.ini
@ -1,2 +1,2 @@
 implementation-status: backlog
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
--- a/testing/web-platform/meta/webusb/dir.ini
+++ b/testing/web-platform/meta/webusb/dir.ini
@ -1,3 +1,3 @@
 implementation-status: not-implementing
-prefs: [dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+prefs: [dom.security.featurePolicy.experimental.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
 lsan-allowed: [Alloc, Create, Malloc, Then, mozilla::BasePrincipal::CreateContentPrincipal, mozilla::dom::DocGroup::Create, mozilla::dom::ServiceWorkerJobQueue::RunJob, mozilla::dom::ServiceWorkerManager::Unregister, mozilla::dom::ServiceWorkerRegistrationMainThread::Unregister, mozilla::dom::UnregisterCallback::UnregisterCallback, mozilla::net::nsStandardURL::TemplatedMutator, operator]
--- a/testing/web-platform/meta/webvr/dir.ini
+++ b/testing/web-platform/meta/webvr/dir.ini
@ -1,3 +1,3 @@
 prefs: [dom.vr.enabled:true,
          dom.vr.prompt.testing:true, dom.vr.prompt.testing.allow:true, dom.security.featurePolicy.experimental.enabled:true,
-          dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
+          dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]