[v8 gc] Introduce a base class for all objects that can have pending activity

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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FontFace_h
 #define FontFace_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseProperty.h"
 #include "bindings/core/v8/ScriptWrappable.h"
+#include "bindings/core/v8/V8GCRoot.h"
 #include "core/CSSPropertyNames.h"
 #include "core/css/CSSValue.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/DOMException.h"
 #include "platform/fonts/FontTraits.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class CSSFontFace;
 class CSSValue;
 class DOMArrayBuffer;
 class DOMArrayBufferView;
 class Document;
 class ExceptionState;
 class FontFaceDescriptors;
 class StringOrArrayBufferOrArrayBufferView;
 class StylePropertySet;
 class StyleRuleFontFace;
 
-class FontFace : public RefCountedWillBeGarbageCollectedFinalized<FontFace>, public ScriptWrappable, public ActiveDOMObject {
+class FontFace : public RefCountedWillBeGarbageCollectedFinalized<FontFace>, public ScriptWrappable, public ActiveDOMObject, public V8GCRoot {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(FontFace);
 public:
     enum LoadStatusType { Unloaded, Loading, Loaded, Error };
 
     static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, StringOrArrayBufferOrArrayBufferView&, const FontFaceDescriptors&);
     static PassRefPtrWillBeRawPtr<FontFace> create(Document*, const StyleRuleFontFace*);
 
     ~FontFace();
 
@@ skipping 76 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