Break on window close when the inspector is open

Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 963 matching lines @@
     bool allowScriptsToCloseWindows = settings && settings->allowScriptsToCloseWindows();
 
     if (!(page->openedByDOM() || page->backForward().backForwardListCount() <= 1 || allowScriptsToCloseWindows)) {
         frameConsole()->addMessage(JSMessageSource, WarningMessageLevel, "Scripts may close only the windows that were opened by it.");
         return;
     }
 
     if (!m_frame->loader().shouldClose())
         return;
 
+    InspectorInstrumentation::willCloseWindow(context);
+
     page->chrome().closeWindowSoon();
 }
 
 void LocalDOMWindow::print()
 {
     if (!m_frame)
         return;
 
     FrameHost* host = m_frame->host();
     if (!host)
@@ skipping 948 matching lines @@
     visitor->trace(m_localStorage);
     visitor->trace(m_applicationCache);
     visitor->trace(m_performance);
     visitor->trace(m_css);
     visitor->trace(m_eventQueue);
     WillBeHeapSupplementable<LocalDOMWindow>::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace WebCore