Bug 1999189 - Add document filename to navigateerror event. r=avandolder,smaug

Differential Revision: https://phabricator.services.mozilla.com/D271922

dom/events/NavigateEvent.h

@@ -116,6 +116,8 @@ class NavigateEvent final : public Event {
 
   void PerformSharedChecks(ErrorResult& aRv);
 
+  Document* GetAssociatedDocument() const;
+
  private:
   MOZ_CAN_RUN_SCRIPT
   void PotentiallyResetFocus();
@@ -126,8 +128,6 @@ class NavigateEvent final : public Event {
   MOZ_CAN_RUN_SCRIPT
   void ProcessScrollBehavior();
 
-  Document* GetAssociatedDocument() const;
-
   explicit NavigateEvent(EventTarget* aOwner);
   ~NavigateEvent();
 

dom/navigation/Navigation.cpp

@@ -1139,13 +1139,27 @@ nsresult Navigation::FireEvent(const nsAString& aName) {
 
 static void ExtractErrorInformation(JSContext* aCx,
                                     JS::Handle<JS::Value> aError,
-                                    ErrorEventInit& aErrorEventInitDict) {
+                                    ErrorEventInit& aErrorEventInitDict,
+                                    NavigateEvent* aEvent) {
   nsContentUtils::ExtractErrorValues(
       aCx, aError, aErrorEventInitDict.mFilename, &aErrorEventInitDict.mLineno,
       &aErrorEventInitDict.mColno, aErrorEventInitDict.mMessage);
   aErrorEventInitDict.mError = aError;
   aErrorEventInitDict.mBubbles = false;
   aErrorEventInitDict.mCancelable = false;
+
+  if (!aErrorEventInitDict.mFilename.IsEmpty()) {
+    return;
+  }
+
+  RefPtr document = aEvent->GetAssociatedDocument();
+  if (!document) {
+    return;
+  }
+
+  if (auto* uri = document->GetDocumentURI()) {
+    uri->GetSpec(aErrorEventInitDict.mFilename);
+  }
 }
 
 nsresult Navigation::FireErrorEvent(const nsAString& aName,
@@ -1832,7 +1846,7 @@ void Navigation::AbortNavigateEvent(
 
   // 3. Let errorInfo be the result of extracting error information from reason.
   RootedDictionary<ErrorEventInit> init(aCx);
-  ExtractErrorInformation(aCx, aReason, init);
+  ExtractErrorInformation(aCx, aReason, init, aEvent);
 
   // 4. Set navigation's ongoing navigate event to null.
   mOngoingNavigateEvent = nullptr;

testing/web-platform/meta/navigation-api/navigate-event/navigation-back-same-document-preventDefault.html.ini

@@ -1,3 +0,0 @@
-[navigation-back-same-document-preventDefault.html]
-  [navigation.back() same-document preventDefault]
-    expected: FAIL

testing/web-platform/meta/navigation-api/navigate-event/navigation-traverseTo-in-iframe-same-document-preventDefault.html.ini

@@ -1,3 +1,4 @@
 [navigation-traverseTo-in-iframe-same-document-preventDefault.html]
+  expected: TIMEOUT
   [navigation.traverseTo() in an iframe with same-document preventDefault in its parent]
-    expected: FAIL
+    expected: TIMEOUT

testing/web-platform/meta/navigation-api/navigation-methods/traverseTo-navigates-multiple-iframes.html.ini

@@ -1,4 +1,4 @@
 [traverseTo-navigates-multiple-iframes.html]
   expected: [TIMEOUT, OK]
   [entries() should be correct after a traversal that navigates multiple browsing contexts]
-    expected: [TIMEOUT, FAIL]
+    expected: FAIL