Remove code to collect rules when matching.

sky/engine/core/frame/LocalDOMWindow.h

 /*
  * Copyright (C) 2006, 2007, 2009, 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 133 matching lines @@
     // CSSOM View Module
 
     StyleMedia& styleMedia() const;
 
     // DOM Level 2 Style Interface
 
     PassRefPtr<CSSStyleDeclaration> getComputedStyle(Element*, const String& pseudoElt) const;
 
     // WebKit extensions
 
-    PassRefPtr<CSSRuleList> getMatchedCSSRules(Element*, const String& pseudoElt) const;
     double devicePixelRatio() const;
 
     Console& console() const;
     FrameConsole* frameConsole() const;
 
     void printErrorMessage(const String&);
 
     void moveBy(float x, float y) const;
     void moveTo(float x, float y) const;
 
@@ skipping 87 matching lines @@
 
     mutable RefPtr<DOMWindowCSS> m_css;
 
     RefPtr<DOMWindowEventQueue> m_eventQueue;
     RefPtr<SerializedScriptValue> m_pendingStateObject;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_FRAME_LOCALDOMWINDOW_H_