1 files changed, 32 insertions, 0 deletions
diff --git a/dom/console/ConsoleCommon.h b/dom/console/ConsoleCommon.h
new file mode 100644
index 0000000000..d41616e3fa
--- /dev/null
+++ b/dom/console/ConsoleCommon.h
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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_ConsoleCommon_h
+#define mozilla_dom_ConsoleCommon_h
+
+#include "jsapi.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace dom {
+namespace ConsoleCommon {
+
+// This class is used to clear any exception at the end of this method.
+class MOZ_RAII ClearException {
+ public:
+  explicit ClearException(JSContext* aCx) : mCx(aCx) {}
+
+  ~ClearException() { JS_ClearPendingException(mCx); }
+
+ private:
+  JSContext* mCx;
+};
+
+}  // namespace ConsoleCommon
+}  // namespace dom
+}  // namespace mozilla
+
+#endif /* mozilla_dom_ConsoleCommon_h */