Split V8Proxy::retrieveActiveFrame() into two methods.

webkit/port/bindings/v8/v8_custom.cpp

 /*
  *  Copyright (C) 2000 Harri Porten (porten@kde.org)
  *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
  *  Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *  Copyright (C) 2006 James G. Speth (speth@end.com)
  *  Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
  *  Copyright (C) 2007, 2008 Google Inc. All Rights Reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ skipping 1065 matching lines @@
   ASSERT(key.startsWith("on"));
   String event_type = key.substring(2);
 
   // Set handler if the value is a function.  Otherwise, clear the
   // event handler.
   if (value->IsFunction()) {
     V8Proxy* proxy = V8Proxy::retrieve(node->document()->frame());
     // the document might be created using createDocument,
     // which does not have a frame, use the active frame
     if (!proxy)
-      proxy = V8Proxy::retrieve(V8Proxy::retrieveActiveFrame());
+      proxy = V8Proxy::retrieve(V8Proxy::retrieveFrameForEnteredContext());
     if (!proxy)
       return;
 
     RefPtr<EventListener> listener =
       proxy->FindOrCreateV8EventListener(value, true);
     if (listener) {
       node->setAttributeEventListener(event_type, listener);
     }
   } else {
     node->clearAttributeEventListener(event_type);
@@ skipping 164 matching lines @@
 #undef MAKE_CASE
 
   default:
     return V8ClassIndex::INVALID_CLASS_INDEX;
   }
 }
 
 #endif  // ENABLE(SVG)
 
 }  // namespace WebCore