Make CSSFontFace::setLoadStatus post a task

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

 /*
  * Copyright (C) 2007, 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 33 matching lines @@
 class SimpleFontData;
 
 class CORE_EXPORT CSSFontFace final
     : public GarbageCollectedFinalized<CSSFontFace> {
   WTF_MAKE_NONCOPYABLE(CSSFontFace);
 
  public:
   CSSFontFace(FontFace* fontFace, Vector<UnicodeRange>& ranges)
       : m_ranges(adoptRef(new UnicodeRangeSet(ranges))),
         m_segmentedFontFace(nullptr),
-        m_fontFace(fontFace) {
+        m_fontFace(fontFace),
+        m_loadStatus(FontFace::Unloaded) {
     ASSERT(m_fontFace);
   }
 
   FontFace* fontFace() const { return m_fontFace; }
 
   PassRefPtr<UnicodeRangeSet> ranges() { return m_ranges; }
 
   void setSegmentedFontFace(CSSSegmentedFontFace*);
   void clearSegmentedFontFace() { m_segmentedFontFace = nullptr; }
 
   bool isValid() const { return !m_sources.isEmpty(); }
   size_t approximateBlankCharacterCount() const;
 
   void addSource(CSSFontFaceSource*);
 
   void didBeginLoad();
   void fontLoaded(RemoteFontFaceSource*);
   void didBecomeVisibleFallback(RemoteFontFaceSource*);
 
   PassRefPtr<SimpleFontData> getFontData(const FontDescription&);
 
-  FontFace::LoadStatusType loadStatus() const {
-    return m_fontFace->loadStatus();
-  }
+  FontFace::LoadStatusType loadStatus() const { return m_loadStatus; }
   bool maybeLoadFont(const FontDescription&, const String&);
   bool maybeLoadFont(const FontDescription&, const FontDataForRangeSet&);
   void load();
   void load(const FontDescription&);
+  void setLoadStatus(FontFace::LoadStatusType);
 
   bool hadBlankText() { return isValid() && m_sources.first()->hadBlankText(); }
 
   DECLARE_TRACE();
 
  private:
-  void setLoadStatus(FontFace::LoadStatusType);
+  void setLoadStatusHelper(FontFace::LoadStatusType);
 
   RefPtr<UnicodeRangeSet> m_ranges;
   Member<CSSSegmentedFontFace> m_segmentedFontFace;
   HeapDeque<Member<CSSFontFaceSource>> m_sources;
   Member<FontFace> m_fontFace;
+  FontFace::LoadStatusType m_loadStatus;
 };
 
 }  // namespace blink
 
 #endif