tor-browser

commit c6acc0cb971f8d0c32f65a573f12b5c5a6a0cffc
parent 9fb37e4b9b00bd58bd05252357e9b7bd0e466140
Author: Henri Sivonen <hsivonen@hsivonen.fi>
Date:   Mon,  8 Dec 2025 10:50:17 +0000

Bug 2003244 - Defer the notification for the global creation for the initial about:blank. r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D275032

Diffstat:
M
dom/ipc/ContentChild.cpp
 | 
12
+++++++++---

1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/dom/ipc/ContentChild.cpp b/dom/ipc/ContentChild.cpp
@@ -1961,9 +1961,15 @@ mozilla::ipc::IPCResult ContentChild::RecvConstructBrowser(
   RefPtr<nsOpenWindowInfo> openWindowInfo = new nsOpenWindowInfo();
   openWindowInfo->mPrincipalToInheritForAboutBlank = aWindowInit.principal();
 
-  if (NS_WARN_IF(NS_FAILED(browserChild->Init(/* aOpener */ nullptr,
-                                              windowChild, openWindowInfo)))) {
-    return IPC_FAIL(browserChild, "BrowserChild::Init failed");
+  {
+    // Block the script runner that notifies about the creation of the script
+    // global for the initial about:blank.
+    nsAutoScriptBlocker blockScripts;
+
+    if (NS_WARN_IF(NS_FAILED(browserChild->Init(
+            /* aOpener */ nullptr, windowChild, openWindowInfo)))) {
+      return IPC_FAIL(browserChild, "BrowserChild::Init failed");
+    }
   }
 
   nsCOMPtr<nsIObserverService> os = services::GetObserverService();