diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/HTMLFrameOwnerElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLFrameOwnerElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "HTMLFrameOwnerElement.h"
+
+#include "DOMWindow.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+
+#if ENABLE(SVG)
+#include "ExceptionCode.h"
+#include "SVGDocument.h"
+#endif
+
+namespace WebCore {
+
+HTMLFrameOwnerElement::HTMLFrameOwnerElement(const QualifiedName& tagName, Document* document)
+    : HTMLElement(tagName, document)
+    , m_contentFrame(0)
+    , m_sandboxFlags(SandboxNone)
+{
+}
+
+void HTMLFrameOwnerElement::willRemove()
+{
+    if (Frame* frame = contentFrame()) {
+        frame->disconnectOwnerElement();
+        frame->loader()->frameDetached();
+    }
+
+    HTMLElement::willRemove();
+}
+
+HTMLFrameOwnerElement::~HTMLFrameOwnerElement()
+{
+    if (m_contentFrame)
+        m_contentFrame->disconnectOwnerElement();
+}
+
+Document* HTMLFrameOwnerElement::contentDocument() const
+{
+    return m_contentFrame ? m_contentFrame->document() : 0;
+}
+
+DOMWindow* HTMLFrameOwnerElement::contentWindow() const
+{
+    return m_contentFrame ? m_contentFrame->domWindow() : 0;
+}
+
+void HTMLFrameOwnerElement::setSandboxFlags(SandboxFlags flags)
+{
+    if (m_sandboxFlags == flags)
+        return;
+
+    m_sandboxFlags = flags;
+
+    if (Frame* frame = contentFrame())
+        frame->loader()->ownerElementSandboxFlagsChanged();
+}
+
+#if ENABLE(SVG)
+SVGDocument* HTMLFrameOwnerElement::getSVGDocument(ExceptionCode& ec) const
+{
+    Document* doc = contentDocument();
+    if (doc && doc->isSVGDocument())
+        return static_cast<SVGDocument*>(doc);
+    // Spec: http://www.w3.org/TR/SVG/struct.html#InterfaceGetSVGDocument
+    ec = NOT_SUPPORTED_ERR;
+    return 0;
+}
+#endif
+
+} // namespace WebCore