Backed out 4 changesets (bug 1948254) for causing failure on idlharness.https.html CLOSED TREE

Backed out changeset 545c51e30bd9 (bug 1948254)
Backed out changeset 403e2c469af4 (bug 1948254)
Backed out changeset 05bbdc23154a (bug 1948254)
Backed out changeset 1f3acb6cf9cd (bug 1948254)

docshell/base/nsDocShell.cpp

@@ -11353,20 +11353,6 @@ nsDocShell::AddState(JS::Handle<JS::Value> aData, const nsAString& aTitle,
 
   }  // end of same-origin check
 
-  // https://html.spec.whatwg.org/#shared-history-push/replace-state-steps
-  // Step 8
-  if (nsCOMPtr<nsPIDOMWindowInner> window = document->GetInnerWindow()) {
-    if (RefPtr<Navigation> navigation = window->Navigation();
-        navigation &&
-        navigation->FirePushReplaceReloadNavigateEvent(
-            aReplace ? NavigationType::Replace : NavigationType::Push, newURI,
-            /* aIsSameDocument */ true, /* aUserInvolvement */ Nothing(),
-            /* aSourceElement */ nullptr, /* aFormDataEntryList */ Nothing(),
-            /* aNavigationAPIState */ nullptr, scContainer)) {
-      return NS_OK;
-    }
-  }
-
   // Step 8: call "URL and history update steps"
   rv = UpdateURLAndHistory(document, newURI, scContainer,
                            aReplace ? NavigationHistoryBehavior::Replace