Bug 1595720 - Disable fullscreen in third party by default r=baku

Differential Revision: https://phabricator.services.mozilla.com/D54194
2019-12-02 16:01:09 +00:00
parent 5b84fb75cd
commit c0f018d338
13 changed files with 344 additions and 160 deletions
--- a/dom/html/HTMLIFrameElement.cpp
+++ b/dom/html/HTMLIFrameElement.cpp
@@ -306,8 +306,6 @@ void HTMLIFrameElement::RefreshFeaturePolicy(bool aParseAllowAttribute) {
      mFeaturePolicy->SetDeclaredPolicy(OwnerDoc(), allow, NodePrincipal(),
                                        origin);
    }
-
-    mFeaturePolicy->InheritPolicy(OwnerDoc()->FeaturePolicy());
  }

  if (AllowPaymentRequest()) {
@@ -318,6 +316,7 @@ void HTMLIFrameElement::RefreshFeaturePolicy(bool aParseAllowAttribute) {
    mFeaturePolicy->MaybeSetAllowedPolicy(NS_LITERAL_STRING("fullscreen"));
  }

+  mFeaturePolicy->InheritPolicy(OwnerDoc()->FeaturePolicy());
  MaybeStoreCrossOriginFeaturePolicy();
 }