Intersection Observer first draft

Source/core/dom/IntersectionObserverEntry.cpp

+// 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.
+
+#include "config.h"
+#include "core/dom/IntersectionObserverEntry.h"
+
+#include "core/dom/Element.h"
+
+namespace blink {
+
+PassRefPtrWillBeRawPtr<IntersectionObserverEntry> IntersectionObserverEntry::create(double time, const Vector<FloatRect>& quads, const FloatRect& viewport, Element* target)
+{
+    return adoptRefWillBeNoop(new IntersectionObserverEntry(time, quads, viewport, target));
+}
+
+IntersectionObserverEntry::IntersectionObserverEntry(double time, const Vector<FloatRect>& quads, const FloatRect& viewport, Element* target)
+    : m_time(time)
+    , m_quads(quads)
+    , m_viewport(viewport)
+    , m_target(target)
+
+{
+}
+
+IntersectionObserverEntry::~IntersectionObserverEntry()
+{
+}
+/*
+const HeapVector<Member<DOMRect>> IntersectionObserverEntry::quads()
+{
+    HeapVector<Member<DOMRect>> quads;
+    for (const auto quad : m_quads) {
+        quads.append(DOMRect::create(quad));
+    }
+    return quads;
+}
+*/
+DEFINE_TRACE(IntersectionObserverEntry)
+{
+    visitor->trace(m_target);
+}
+
+
+} // namespace blink