Move FontResourceClient to Oilpan heap

third_party/WebKit/Source/core/fetch/FontResource.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 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FontResource_h
 #define FontResource_h
 
 #include "core/fetch/Resource.h"
 #include "core/fetch/ResourceClient.h"
 #include "platform/Timer.h"
 #include "platform/fonts/FontOrientation.h"
+#include "platform/heap/Handle.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class FetchRequest;
 class ResourceFetcher;
 class FontPlatformData;
 class FontCustomPlatformData;
 class FontResourceClient;
 
@@ skipping 45 matching lines @@
     LoadLimitState m_loadLimitState;
     bool m_corsFailed;
     Timer<FontResource> m_fontLoadShortLimitTimer;
     Timer<FontResource> m_fontLoadLongLimitTimer;
 
     friend class MemoryCache;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(Font);
 
-class FontResourceClient : public ResourceClient {
+class FontResourceClient : public GarbageCollectedMixin, public ResourceClient {
 public:
     ~FontResourceClient() override {}
     static bool isExpectedType(ResourceClient* client) { return client->getResourceClientType() == FontType; }
     ResourceClientType getResourceClientType() const final { return FontType; }
     virtual void fontLoadShortLimitExceeded(FontResource*) {}
     virtual void fontLoadLongLimitExceeded(FontResource*) {}
+
+    DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 } // namespace blink
 
 #endif