Remove support for loading remote font faces

sky/engine/core/css/CSSFontFace.h

Index: sky/engine/core/css/CSSFontFace.h
diff --git a/sky/engine/core/css/CSSFontFace.h b/sky/engine/core/css/CSSFontFace.h
index 337ebc57d1fd10d0520b0633e84a6ea5c2558246..06916c00d1f5584eca23119d0d1b8c255e86ade8 100644
--- a/sky/engine/core/css/CSSFontFace.h
+++ b/sky/engine/core/css/CSSFontFace.h
@@ -39,7 +39,6 @@ namespace blink {
 class CSSFontSelector;
 class Document;
 class FontDescription;
-class RemoteFontFaceSource;
 class SimpleFontData;
 class StyleRuleFontFace;
 
@@ -67,10 +66,6 @@ public:
 
     void addSource(PassOwnPtr<CSSFontFaceSource>);
 
-    void didBeginLoad();
-    void fontLoaded(RemoteFontFaceSource*);
-    void fontLoadWaitLimitExceeded(RemoteFontFaceSource*);
-
     PassRefPtr<SimpleFontData> getFontData(const FontDescription&);
 
     struct UnicodeRange {