[Experimental] Fool around with exposing extension bindings via blink

third_party/WebKit/Source/modules/extensions/WindowChrome.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 WindowChrome_h
+#define WindowChrome_h
+
+#include "core/frame/DOMWindowProperty.h"
+#include "platform/Supplementable.h"
+#include "platform/heap/Handle.h"
+
+namespace blink {
+
+class Chrome;
+class DOMWindow;
+class ExecutionContext;
+class LocalDOMWindow;
+
+class WindowChrome final
+    : public GarbageCollected<WindowChrome>
+    , public Supplement<LocalDOMWindow>
+    , public DOMWindowProperty {
+    USING_GARBAGE_COLLECTED_MIXIN(WindowChrome);
+
+public:
+    static WindowChrome& from(LocalDOMWindow&);
+    static Chrome* chromex(DOMWindow&);
+    Chrome* chromex() const;
+
+    DECLARE_TRACE();
+
+private:
+    explicit WindowChrome(LocalDOMWindow&);
+    static const char* supplementName();
+
+    mutable Member<Chrome> m_chrome;
+};
+
+} // namespace blink
+
+#endif // WindowChrome_h