Implement API for accessing fonts installed locally on the system.

third_party/WebKit/Source/core/css/FontFace.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 77 matching lines @@
     ScriptPromise loaded(ScriptState* scriptState) { return fontStatusPromise(scriptState); }
 
     ScriptPromise load(ScriptState*);
 
     LoadStatus loadStatus() const { return m_status; }
     void setLoadStatus(LoadStatus);
     void setError(DOMException* = nullptr);
     DOMException* error() const { return m_error; }
     FontTraits traits() const;
     CSSFontFace* cssFontFace() { return m_cssFontFace.get(); }
+    ScriptPromise binaryData(ScriptState*) const;
 
     DECLARE_VIRTUAL_TRACE();
 
     bool hadBlankText() const;
 
     class LoadFontCallback : public RefCountedWillBeGarbageCollectedFinalized<LoadFontCallback> {
     public:
         virtual ~LoadFontCallback() { }
         virtual void notifyLoaded(FontFace*) = 0;
         virtual void notifyError(FontFace*) = 0;
         DEFINE_INLINE_VIRTUAL_TRACE() { }
     };
     void loadWithCallback(PassRefPtrWillBeRawPtr<LoadFontCallback>, ExecutionContext*);
 
     // ActiveDOMObject
     bool hasPendingActivity() const override;
 
+protected:
+    void initCSSFontFace(Document*, PassRefPtrWillBeRawPtr<CSSValue> src);
+    FontFace(ExecutionContext*, const AtomicString& family, const FontFaceDescriptors&);
+
 private:
     static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, PassRefPtr<DOMArrayBuffer> source, const FontFaceDescriptors&);
     static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, PassRefPtr<DOMArrayBufferView>, const FontFaceDescriptors&);
     static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, const String& source, const FontFaceDescriptors&);
 
     explicit FontFace(ExecutionContext*);
-    FontFace(ExecutionContext*, const AtomicString& family, const FontFaceDescriptors&);
 
-    void initCSSFontFace(Document*, PassRefPtrWillBeRawPtr<CSSValue> src);
     void initCSSFontFace(const unsigned char* data, size_t);
     void setPropertyFromString(const Document*, const String&, CSSPropertyID, ExceptionState* = 0);
     bool setPropertyFromStyle(const StylePropertySet&, CSSPropertyID);
     bool setPropertyValue(PassRefPtrWillBeRawPtr<CSSValue>, CSSPropertyID);
     bool setFamilyValue(const CSSValue&);
     void loadInternal(ExecutionContext*);
     ScriptPromise fontStatusPromise(ScriptState*);
 
     using LoadedProperty = ScriptPromiseProperty<RawPtrWillBeMember<FontFace>, RawPtrWillBeMember<FontFace>, Member<DOMException>>;
 
@@ skipping 12 matching lines @@
     PersistentWillBeMember<LoadedProperty> m_loadedProperty;
     OwnPtrWillBeMember<CSSFontFace> m_cssFontFace;
     WillBeHeapVector<RefPtrWillBeMember<LoadFontCallback>> m_callbacks;
 };
 
 using FontFaceArray = WillBeHeapVector<RefPtrWillBeMember<FontFace>>;
 
 } // namespace blink
 
 #endif // FontFace_h