Enforce ScriptForbiddenScope and make it non-fatal.

Source/web/WebPluginContainerImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2014 Opera Software ASA. 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.
@@ skipping 684 matching lines @@
 #else
     dispose();
 #endif
 }
 
 void WebPluginContainerImpl::dispose()
 {
     if (m_element && m_touchEventRequestType != TouchEventRequestTypeNone && m_element->document().frameHost())
         m_element->document().frameHost()->eventHandlerRegistry().didRemoveEventHandler(*m_element, EventHandlerRegistry::TouchEvent);
 
-    ScriptForbiddenScope::AllowSuperUnsafeScript thisShouldBeRemoved;
-
     for (size_t i = 0; i < m_pluginLoadObservers.size(); ++i)
         m_pluginLoadObservers[i]->clearPluginContainer();
     m_webPlugin->destroy();
     m_webPlugin = nullptr;
 
     if (m_webLayer)
         GraphicsLayer::unregisterContentsLayer(m_webLayer);
 
     m_pluginLoadObservers.clear();
     m_scrollbarGroup.clear();
@@ skipping 260 matching lines @@
 
     return clipRect;
 }
 
 bool WebPluginContainerImpl::pluginShouldPersist() const
 {
     return m_webPlugin->shouldPersist();
 }
 
 } // namespace blink