Intersection Observer first draft

Source/core/dom/IntersectionObserverEntry.h

Index: Source/core/dom/IntersectionObserverEntry.h
diff --git a/Source/core/dom/IntersectionObserverEntry.h b/Source/core/dom/IntersectionObserverEntry.h
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+// 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 IntersectionObserverEntry_h
+#define IntersectionObserverEntry_h
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "core/dom/ClientRect.h"
+#include "core/dom/ClientRectList.h"
+#include "platform/geometry/FloatRect.h"
+#include "platform/heap/Handle.h"
+#include "wtf/Vector.h"
+
+namespace blink {
+
+class Element;
+
+class IntersectionObserverEntry : public RefCountedWillBeGarbageCollectedFinalized<IntersectionObserverEntry>, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
+public:
+    static PassRefPtrWillBeRawPtr<IntersectionObserverEntry> create(double, const Vector<FloatRect>&, const FloatRect&, Element*);
+
+    ~IntersectionObserverEntry();
+
+    double time() { return m_time; }
+    ClientRectList* quads() { return ClientRectList::create(m_quads); }
+    ClientRect* viewport() { return ClientRect::create(m_viewport); }
+    Element* target() { return m_target.get(); }
+
+    DECLARE_VIRTUAL_TRACE();
+
+protected:
+    IntersectionObserverEntry(double, const Vector<FloatRect>&, const FloatRect&, Element*);
+
+private:
+    const double m_time;
+    const Vector<FloatRect> m_quads;
+    const FloatRect m_viewport;
+    const RefPtrWillBeMember<Element> m_target;
+};
+
+} // namespace blink
+
+#endif // IntersectionObserverEntry_h