Add Origin Trials Test interface, rather than attaching trials directly to internals.

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

Index: third_party/WebKit/Source/core/origin_trials/testing/InternalsFrobulate.h
diff --git a/third_party/WebKit/Source/core/origin_trials/testing/InternalsFrobulate.h b/third_party/WebKit/Source/core/origin_trials/testing/InternalsFrobulate.h
deleted file mode 100644
index a4f7aa0fc1c227b4de524e1bac52ddb8ff046b29..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/origin_trials/testing/InternalsFrobulate.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2015 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 InternalsFrobulate_h
-#define InternalsFrobulate_h
-
-#include "wtf/Allocator.h"
-
-namespace blink {
-
-class ExceptionState;
-class Internals;
-class ScriptState;
-
-class InternalsFrobulate final {
-    STATIC_ONLY(InternalsFrobulate);
-public:
-    static bool frobulate(ScriptState*, Internals&, ExceptionState&);
-    static bool frobulateNoEnabledCheck(Internals&);
-};
-
-} // namespace blink
-
-#endif // InternalsFrobulate_h