Moving fontSelector from StyleResolver to StyleEngine.

Source/core/dom/Document.h

Index: Source/core/dom/Document.h
diff --git a/Source/core/dom/Document.h b/Source/core/dom/Document.h
index 769fb8434e61caa1d0959560b12d96fbe201b168..be718d60c8aac2f124a2244ea9bab2ab24befa0f 100644
--- a/Source/core/dom/Document.h
+++ b/Source/core/dom/Document.h
@@ -64,6 +64,7 @@ class AXObjectCache;
 class AnimationClock;
 class Attr;
 class CDATASection;
+class CSSFontSelector;
 class CSSStyleDeclaration;
 class CSSStyleSheet;
 class CSSStyleSheetResource;
@@ -390,6 +391,7 @@ public:
 
     StyleResolver* styleResolverIfExists() const;
     StyleResolver* styleResolver() const;
+    CSSFontSelector* fontSelector() const;
 
     bool isViewSource() const { return m_isViewSource; }
     void setIsViewSource(bool);