Fix Runtime.executionContextCreated for crafted iframes.

Source/core/frame/LocalFrame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 322 matching lines @@
     //  - FrameDestructionObserver::willDetachFrameHost() will have
     //    signalled the Inspector frameWindowDiscarded() notifications.
     //    We assume that all LocalFrames are detached, where that notification
     //    will have been done.
     //
     //  - Calling LocalDOMWindow::reset() is not needed (called from
     //    Frame::setDOMWindow().) The Member references it clears will now
     //    die with the window. And the registered DOMWindowProperty instances that don't,
     //    only keep a weak reference to this frame, so there's no need to be
     //    explicitly notified that this frame is going away.
-    if (m_domWindow && host()) {
+    if (m_domWindow && host())
         host()->consoleMessageStorage().frameWindowDiscarded(m_domWindow.get());
-        InspectorInstrumentation::frameWindowDiscarded(this, m_domWindow.get());
-    }
     if (domWindow)
         script().clearWindowProxy();
 
     if (m_domWindow)
         m_domWindow->reset();
     m_domWindow = domWindow;
 }
 
 Document* LocalFrame::document() const
 {
@@ skipping 431 matching lines @@
     // We detach the FrameView's custom scroll bars as early as
     // possible to prevent m_doc->detach() from messing with the view
     // such that its scroll bars won't be torn down.
     //
     // FIXME: We should revisit this.
     if (m_view)
         m_view->prepareForDetach();
 }
 
 } // namespace blink