Add LayoutTests for URL list of Response

third_party/WebKit/Source/modules/fetch/testing/WorkerInternalsFetch.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WorkerInternalsFetch_h
+#define WorkerInternalsFetch_h
+
+#include "wtf/Allocator.h"
+#include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class WorkerInternals;
+class Response;
+
+class WorkerInternalsFetch {
+  STATIC_ONLY(WorkerInternalsFetch);
+
+ public:
+  static Vector<String> getInternalResponseURLList(WorkerInternals&, Response*);
+};
+
+}  // namespace blink
+
+#endif  // WorkerInternalsFetch_h