Create the document font using normal FontBuilder calls.

Source/core/css/resolver/FontBuilder.h

Index: Source/core/css/resolver/FontBuilder.h
diff --git a/Source/core/css/resolver/FontBuilder.h b/Source/core/css/resolver/FontBuilder.h
index b343d31e1ef6d5c0a7471e81a3a6fb5783190b76..afedd57cdfee5cfc54b9ee33c01a8d1b0530d9f5 100644
--- a/Source/core/css/resolver/FontBuilder.h
+++ b/Source/core/css/resolver/FontBuilder.h
@@ -67,8 +67,6 @@ public:
     // FIXME: These need to just vend a Font object eventually.
     void createFont(PassRefPtrWillBeRawPtr<FontSelector>, RenderStyle*);
 
-    void createFontForDocument(PassRefPtrWillBeRawPtr<FontSelector>, RenderStyle*);
-
     bool fontDirty() const { return m_flags; }
 
     static FontDescription::FamilyDescription initialFamilyDescription() { return FontDescription::FamilyDescription(initialGenericFamily()); }
@@ -86,8 +84,6 @@ public:
 
 private:
 
-    void setFamilyDescription(FontDescription&, const FontDescription::FamilyDescription&);
-    void setSize(FontDescription&, const FontDescription::Size&);
     void updateOrientation(FontDescription&, RenderStyle*);
     // This function fixes up the default font size if it detects that the current generic font family has changed. -dwh
     void checkForGenericFamilyChange(const FontDescription&, FontDescription&);