Enable support for CSS Conditional Rules

Source/core/page/DOMWindow.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 1535 matching lines @@
         return d->requestAnimationFrame(callback);
     return 0;
 }
 
 void DOMWindow::cancelAnimationFrame(int id)
 {
     if (Document* d = document())
         d->cancelAnimationFrame(id);
 }
 
-#if ENABLE(CSS3_CONDITIONAL_RULES)
 DOMWindowCSS* DOMWindow::css()
 {
     if (!m_css)
         m_css = DOMWindowCSS::create();
     return m_css.get();
 }
-#endif
 
 static void didAddStorageEventListener(DOMWindow* window)
 {
     // Creating these WebCore::Storage objects informs the system that we'd like to receive
     // notifications about storage events that might be triggered in other processes. Rather
     // than subscribe to these notifications explicitly, we subscribe to them implicitly to
     // simplify the work done by the system. 
     window->localStorage(IGNORE_EXCEPTION);
     window->sessionStorage(IGNORE_EXCEPTION);
 }
@@ skipping 366 matching lines @@
     WindowFeatures windowFeatures(dialogFeaturesString, screenAvailableRect(m_frame->view()));
     Frame* dialogFrame = createWindow(urlString, emptyAtom, windowFeatures,
         activeWindow, firstFrame, m_frame, function, functionContext);
     if (!dialogFrame)
         return;
     UserGestureIndicatorDisabler disabler;
     dialogFrame->page()->chrome()->runModal();
 }
 
 } // namespace WebCore