Add support for origin trials in workers.

third_party/WebKit/Source/core/origin_trials/testing/WorkerInternalsFrobulate.h

Index: third_party/WebKit/Source/core/origin_trials/testing/WorkerInternalsFrobulate.h
diff --git a/third_party/WebKit/Source/core/origin_trials/testing/WorkerInternalsFrobulate.h b/third_party/WebKit/Source/core/origin_trials/testing/WorkerInternalsFrobulate.h
new file mode 100644
index 0000000000000000000000000000000000000000..c5ac8a8450d703f0838a770136e65f3aa002eac9
--- /dev/null
+++ b/third_party/WebKit/Source/core/origin_trials/testing/WorkerInternalsFrobulate.h
@@ -0,0 +1,22 @@
+// 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 WorkerInternalsFrobulate_h
+#define WorkerInternalsFrobulate_h
+
+#include "wtf/Allocator.h"
+
+namespace blink {
+
+class WorkerInternals;
+
+class WorkerInternalsFrobulate final {
+    STATIC_ONLY(WorkerInternalsFrobulate);
+public:
+    static bool frobulate(WorkerInternals&) { return true; }
+};
+
+} // namespace blink
+
+#endif // WorkerInternalsFrobulate_h