diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/v8/V8Helpers.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/v8/V8Helpers.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,53 @@
+/*
+* Copyright (C) 2008, 2009 Google Inc. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*
+*     * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above
+* copyright notice, this list of conditions and the following disclaimer
+* in the documentation and/or other materials provided with the
+* distribution.
+*     * Neither the name of Google Inc. nor the names of its
+* contributors may be used to endorse or promote products derived from
+* this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "config.h"
+#include "V8Helpers.h"
+
+#include "DOMWindow.h"
+#include "NPV8Object.h"
+#include "V8Proxy.h"
+
+namespace WebCore {
+
+v8::Local<v8::Context> toV8Context(NPP npp, NPObject* npObject)
+{
+    V8NPObject* object = reinterpret_cast<V8NPObject*>(npObject);
+    return V8Proxy::mainWorldContext(object->rootObject->frame());
+}
+
+V8Proxy* toV8Proxy(NPObject* npObject)
+{
+    V8NPObject* object = reinterpret_cast<V8NPObject*>(npObject);
+    Frame* frame = object->rootObject->frame();
+    return V8Proxy::retrieve(frame);
+}
+
+} // namespace WebCore