Revert of Add FontFaceDescriptors IDL dictionary

Source/core/css/FontFace.h

Index: Source/core/css/FontFace.h
diff --git a/Source/core/css/FontFace.h b/Source/core/css/FontFace.h
index 52ce4422a3e692bfe94b36fbe94bf71d4ac0343f..fe85f4ec317c85d43a2e82f7266750cf58791dc6 100644
--- a/Source/core/css/FontFace.h
+++ b/Source/core/css/FontFace.h
@@ -49,7 +49,6 @@
 class Dictionary;
 class Document;
 class ExceptionState;
-class FontFaceDescriptors;
 class StylePropertySet;
 class StyleRuleFontFace;
 
@@ -58,9 +57,9 @@
 public:
     enum LoadStatus { Unloaded, Loading, Loaded, Error };
 
-    static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, PassRefPtr<ArrayBuffer> source, const FontFaceDescriptors*);
-    static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, PassRefPtr<ArrayBufferView>, const FontFaceDescriptors*);
-    static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, const String& source, const FontFaceDescriptors*);
+    static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, PassRefPtr<ArrayBuffer> source, const Dictionary&);
+    static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, PassRefPtr<ArrayBufferView>, const Dictionary&);
+    static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, const String& source, const Dictionary&);
     static PassRefPtrWillBeRawPtr<FontFace> create(Document*, const StyleRuleFontFace*);
 
     ~FontFace();
@@ -109,7 +108,7 @@
 
 private:
     FontFace();
-    FontFace(ExecutionContext*, const AtomicString& family, const FontFaceDescriptors*);
+    FontFace(ExecutionContext*, const AtomicString& family, const Dictionary& descriptors);
 
     void initCSSFontFace(Document*, PassRefPtrWillBeRawPtr<CSSValue> src);
     void initCSSFontFace(const unsigned char* data, unsigned size);