Add a new switch: --allow-scripts-to-close-windows....

webkit/pending/DOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007 Apple 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 28 matching lines @@
 #include "Frame.h"
 #include "FrameLoader.h"
 #include "FrameTree.h"
 #include "FrameView.h"
 #include "History.h"
 #include "MessageEvent.h"
 #include "Page.h"
 #include "PlatformScreen.h"
 #include "PlatformString.h"
 #include "Screen.h"
+#include "Settings.h"
 #include <algorithm>
 #include <wtf/MathExtras.h>
 
 #if ENABLE(DATABASE)
 #include "Database.h"
 #endif
 
 using std::min;
 using std::max;
 
@@ skipping 279 matching lines @@
         return;
 
     m_frame->unfocusWindow();
 }
 
 void DOMWindow::close()
 {
     if (!m_frame)
         return;
 
-    if (m_frame->loader()->openedByDOM() || m_frame->loader()->getHistoryLength() <= 1)
+    Settings* settings = m_frame->settings();
+    bool allow_scripts_to_close_windows =
+        (settings && settings->allowScriptsToCloseWindows());
+
+    if (m_frame->loader()->openedByDOM()
+        || m_frame->loader()->getHistoryLength() <= 1
+        || allow_scripts_to_close_windows)
         m_frame->scheduleClose();
 }
 
 void DOMWindow::print()
 {
     if (!m_frame)
         return;
 
     Page* page = m_frame->page();
     if (!page)
@@ skipping 640 matching lines @@
     ASSERT(doc);
     if (!doc)
         return 0;
 
     return Database::openDatabase(doc, name, version, displayName, estimatedSize, ec);
 }
 #endif
 
 
 } // namespace WebCore