Fix promise resolution of FontFaceSet#load()

Source/core/css/CSSSegmentedFontFace.h

Index: Source/core/css/CSSSegmentedFontFace.h
diff --git a/Source/core/css/CSSSegmentedFontFace.h b/Source/core/css/CSSSegmentedFontFace.h
index 18b49c6c2ae4ba5a623c261384c04180c6c206b5..119f709fc456d087cb4c6d86a8bceff187ef7ebb 100644
--- a/Source/core/css/CSSSegmentedFontFace.h
+++ b/Source/core/css/CSSSegmentedFontFace.h
@@ -63,15 +63,8 @@ public:
 
     PassRefPtr<FontData> getFontData(const FontDescription&);
 
-    class LoadFontCallback : public RefCounted<LoadFontCallback> {
-    public:
-        virtual ~LoadFontCallback() { }
-        virtual void notifyLoaded(CSSSegmentedFontFace*) = 0;
-        virtual void notifyError(CSSSegmentedFontFace*) = 0;
-    };
-
     bool checkFont(const String&) const;
-    void loadFont(const FontDescription&, const String&, PassRefPtr<LoadFontCallback>);
+    void match(const String&, Vector<RefPtr<FontFace> >&) const;
     void willUseFontData(const FontDescription&);
 
 private:
@@ -90,7 +83,6 @@ private:
     // All non-CSS-connected FontFaces are stored after the CSS-connected ones.
     FontFaceList m_fontFaces;
     FontFaceList::iterator m_firstNonCssConnectedFace;
-    Vector<RefPtr<LoadFontCallback> > m_callbacks;
 };
 
 } // namespace WebCore