--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSDOMWindowCustom.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,83 @@
+/*
+ *  Copyright (C) 2008, 2009 Apple Inc. All rights reseved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef JSDOMWindowCustom_h
+#define JSDOMWindowCustom_h
+
+#include "JSDOMWindow.h"
+#include "JSDOMWindowShell.h"
+#include <wtf/AlwaysInline.h>
+
+namespace WebCore {
+
+inline JSDOMWindow* asJSDOMWindow(JSC::JSGlobalObject* globalObject)
+{
+    return static_cast<JSDOMWindow*>(globalObject);
+}
+ 
+inline const JSDOMWindow* asJSDOMWindow(const JSC::JSGlobalObject* globalObject)
+{
+    return static_cast<const JSDOMWindow*>(globalObject);
+}
+
+inline bool JSDOMWindowBase::allowsAccessFrom(const JSGlobalObject* other) const
+{
+    if (allowsAccessFromPrivate(other))
+        return true;
+    printErrorMessage(crossDomainAccessErrorMessage(other));
+    return false;
+}
+
+inline bool JSDOMWindowBase::allowsAccessFrom(JSC::ExecState* exec) const
+{
+    if (allowsAccessFromPrivate(exec->lexicalGlobalObject()))
+        return true;
+    printErrorMessage(crossDomainAccessErrorMessage(exec->lexicalGlobalObject()));
+    return false;
+}
+    
+inline bool JSDOMWindowBase::allowsAccessFromNoErrorMessage(JSC::ExecState* exec) const
+{
+    return allowsAccessFromPrivate(exec->lexicalGlobalObject());
+}
+    
+inline bool JSDOMWindowBase::allowsAccessFrom(JSC::ExecState* exec, String& message) const
+{
+    if (allowsAccessFromPrivate(exec->lexicalGlobalObject()))
+        return true;
+    message = crossDomainAccessErrorMessage(exec->lexicalGlobalObject());
+    return false;
+}
+    
+ALWAYS_INLINE bool JSDOMWindowBase::allowsAccessFromPrivate(const JSGlobalObject* other) const
+{
+    const JSDOMWindow* originWindow = asJSDOMWindow(other);
+    const JSDOMWindow* targetWindow = d()->shell->window();
+
+    if (originWindow == targetWindow)
+        return true;
+
+    const SecurityOrigin* originSecurityOrigin = originWindow->impl()->securityOrigin();
+    const SecurityOrigin* targetSecurityOrigin = targetWindow->impl()->securityOrigin();
+
+    return originSecurityOrigin->canAccess(targetSecurityOrigin);
+}
+
+}
+
+#endif // JSDOMWindowCustom_h