[BASILISK] Skip notifications for background tabs when restoring a session

2 files changed, 6 insertions, 2 deletions

diff --git a/application/basilisk/components/sessionstore/SessionStore.jsm b/application/basilisk/components/sessionstore/SessionStore.jsm
index e23b205fc..b599bc162 100644
--- a/application/basilisk/components/sessionstore/SessionStore.jsm
+++ b/application/basilisk/components/sessionstore/SessionStore.jsm
@@ -3113,7 +3113,8 @@ var SessionStoreInternal = {
                                 tabbrowser.addTab("about:blank",
                                                   {skipAnimation: true,
                                                    forceNotRemote,
-                                                   userContextId});
+                                                   userContextId,
+                                                   skipBackgroundNotify: true});
 
       // If we inserted a new tab because the userContextId didn't match with the
       // open tab, even though `t < openTabCount`, we need to remove that open tab
diff --git a/application/basilisk/components/sessionstore/TabAttributes.jsm b/application/basilisk/components/sessionstore/TabAttributes.jsm
index 8a29680f4..c8e6d9744 100644
--- a/application/basilisk/components/sessionstore/TabAttributes.jsm
+++ b/application/basilisk/components/sessionstore/TabAttributes.jsm
@@ -14,7 +14,10 @@ this.EXPORTED_SYMBOLS = ["TabAttributes"];
 // 'pending' is used internal by sessionstore and managed accordingly.
 // 'iconLoadingPrincipal' is same as 'image' that it should be handled by
 //                        using the gBrowser.getIcon()/setIcon() methods.
-const ATTRIBUTES_TO_SKIP = new Set(["image", "muted", "pending", "iconLoadingPrincipal"]);
+// 'skipbackgroundnotify' is used internal by tabbrowser.xml.
+const ATTRIBUTES_TO_SKIP = new Set(["image", "muted", "pending",
+                                    "iconLoadingPrincipal",
+                                    "skipbackgroundnotify"]);
 
 // A set of tab attributes to persist. We will read a given list of tab
 // attributes when collecting tab data and will re-set those attributes when