Merging upstream version 127.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/browser/components/shopping/ShoppingSidebarChild.sys.mjs b/browser/components/shopping/ShoppingSidebarChild.sys.mjs
index ff80086d5d..1ffeb914e3 100644
--- a/browser/components/shopping/ShoppingSidebarChild.sys.mjs
+++ b/browser/components/shopping/ShoppingSidebarChild.sys.mjs
@@ -85,6 +85,9 @@ export class ShoppingSidebarChild extends RemotePageChild {
   #product = null;
 
   receiveMessage(message) {
+    if (this.browsingContext.usePrivateBrowsing) {
+      throw new Error("We should never be invoked in PBM.");
+    }
     switch (message.name) {
       case "ShoppingSidebar:UpdateProductURL":
         let { url, isReload } = message.data;