Issue #2402 - Workers.setTimeout/setInterval must handle CSP rejections. https://bugzilla.mozilla.org/show_bug.cgi?id=1490165 Has some namespace issues adding the files, so differs slightly.

dom/security/CSPEvalChecker.h

@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_CSPEvalChecker_h
+#define mozilla_dom_CSPEvalChecker_h
+
+#include "nsString.h"
+
+struct JSContext;
+class nsGlobalWindow;
+
+namespace mozilla {
+namespace dom {
+namespace workers {
+class WorkerPrivate;
+}
+
+using namespace mozilla::dom::workers;
+
+class CSPEvalChecker final
+{
+public:
+  static nsresult
+  CheckForWindow(JSContext* aCx, nsGlobalWindow* aWindow,
+                 const nsAString& aExpression, bool* aAllowEval);
+
+  static nsresult
+  CheckForWorker(JSContext* aCx, WorkerPrivate* aWorkerPrivate,
+                 const nsAString& aExpression, bool* aAllowEval);
+};
+
+} // dom namespace
+} // mozilla namespace
+
+#endif // mozilla_dom_CSPEvalChecker_h