Use invalidation sets for fullscreen pseudos.

third_party/WebKit/Source/core/css/CSSDefaultStyleSheets.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 21 matching lines @@
 class RuleSet;
 class StyleSheetContents;
 
 class CSSDefaultStyleSheets : public NoBaseWillBeGarbageCollected<CSSDefaultStyleSheets> {
     USING_FAST_MALLOC_WILL_BE_REMOVED(CSSDefaultStyleSheets);
     WTF_MAKE_NONCOPYABLE(CSSDefaultStyleSheets);
 public:
     static CSSDefaultStyleSheets& instance();
 
     void ensureDefaultStyleSheetsForElement(const Element&, bool& changedDefaultStyle);
+    void ensureDefaultStyleSheetForFullscreen();
 
     RuleSet* defaultStyle() { return m_defaultStyle.get(); }
     RuleSet* defaultQuirksStyle() { return m_defaultQuirksStyle.get(); }
     RuleSet* defaultPrintStyle() { return m_defaultPrintStyle.get(); }
     RuleSet* defaultViewSourceStyle();
     RuleSet* defaultMobileViewportStyle();
 
     // FIXME: Remove WAP support.
     RuleSet* defaultXHTMLMobileProfileStyle();
 
@@ skipping 21 matching lines @@
     RefPtrWillBeMember<StyleSheetContents> m_quirksStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_svgStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_mathmlStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_mediaControlsStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_fullscreenStyleSheet;
 };
 
 } // namespace blink
 
 #endif // CSSDefaultStyleSheets_h