Moving fontSelector from StyleResolver to StyleEngine.

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 46 matching lines @@
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/WeakPtr.h"
 
 namespace WebCore {
 
 class AXObjectCache;
 class AnimationClock;
 class Attr;
 class CDATASection;
+class CSSFontSelector;
 class CSSStyleDeclaration;
 class CSSStyleSheet;
 class CSSStyleSheetResource;
 class CanvasRenderingContext;
 class CharacterData;
 class Chrome;
 class Comment;
 class ContentSecurityPolicyResponseHeaders;
 class ContextFeatures;
 class CustomElementRegistrationContext;
@@ skipping 1282 matching lines @@
 inline bool Node::isDocumentNode() const
 {
     return this == documentInternal();
 }
 
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace WebCore
 
 #endif // Document_h