2nd attempt to align front-end code (and related other changes) with ArcticFox (as of https://github.com/rmottola/Arctic-Fox/commit/e4df9310356a3e9925c8c13f0a80b5922dc76912)

docshell/base/nsDocShell.cpp

@@ -2424,6 +2424,12 @@ nsDocShell::GetUseRemoteTabs(bool* aUseRemoteTabs)
 NS_IMETHODIMP
 nsDocShell::SetRemoteTabs(bool aUseRemoteTabs)
 {
+#ifdef MOZ_CRASHREPORTER
+    if (aUseRemoteTabs) {
+        CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("DOMIPCEnabled"),
+                                           NS_LITERAL_CSTRING("1"));
+    }
+#endif
 
   mUseRemoteTabs = aUseRemoteTabs;
   return NS_OK;