[SPv2] Add CSS mask support

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 38 matching lines @@
 class DOMArrayBuffer;
 class DOMArrayBufferView;
 class Document;
 class ExceptionState;
 class FontFaceDescriptors;
 class StringOrArrayBufferOrArrayBufferView;
 class StylePropertySet;
 class StyleRuleFontFace;
 class WebTaskRunner;
 
-class FontFace : public GarbageCollectedFinalized<FontFace>,
-                 public ScriptWrappable,
-                 public ActiveScriptWrappable<FontFace>,
-                 public ContextLifecycleObserver {
+class CORE_EXPORT FontFace : public GarbageCollectedFinalized<FontFace>,
+                             public ScriptWrappable,
+                             public ActiveScriptWrappable<FontFace>,
+                             public ContextLifecycleObserver {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(FontFace);
   WTF_MAKE_NONCOPYABLE(FontFace);
 
  public:
   enum LoadStatusType { Unloaded, Loading, Loaded, Error };
 
   static FontFace* create(ExecutionContext*,
                           const AtomicString& family,
                           StringOrArrayBufferOrArrayBufferView&,
@@ skipping 35 matching lines @@
   void setError(DOMException* = nullptr);
   DOMException* error() const { return m_error; }
   FontTraits traits() const;
   CSSFontFace* cssFontFace() { return m_cssFontFace.get(); }
   size_t approximateBlankCharacterCount() const;
 
   DECLARE_VIRTUAL_TRACE();
 
   bool hadBlankText() const;
 
-  class LoadFontCallback : public GarbageCollectedMixin {
+  class CORE_EXPORT LoadFontCallback : public GarbageCollectedMixin {
    public:
     virtual ~LoadFontCallback() {}
     virtual void notifyLoaded(FontFace*) = 0;
     virtual void notifyError(FontFace*) = 0;
     DEFINE_INLINE_VIRTUAL_TRACE() {}
   };
   void loadWithCallback(LoadFontCallback*);
   void addCallback(LoadFontCallback*);
 
   // ScriptWrappable:
@@ skipping 50 matching lines @@
   Member<LoadedProperty> m_loadedProperty;
   Member<CSSFontFace> m_cssFontFace;
   HeapVector<Member<LoadFontCallback>> m_callbacks;
 };
 
 using FontFaceArray = HeapVector<Member<FontFace>>;
 
 }  // namespace blink
 
 #endif  // FontFace_h