CompositorWorkerProxyClientImpl to CompositorProxy cross thread reference is using WeakMember

third_party/WebKit/Source/core/dom/AnimationWorkletProxyClient.h

Index: third_party/WebKit/Source/core/dom/AnimationWorkletProxyClient.h
diff --git a/third_party/WebKit/Source/core/dom/AnimationWorkletProxyClient.h b/third_party/WebKit/Source/core/dom/AnimationWorkletProxyClient.h
index 2a3a9051bab0ee6e4753a856b9a209fba9762095..1ce91d1333f7965f3210caa28c3df35db6ddb435 100644
--- a/third_party/WebKit/Source/core/dom/AnimationWorkletProxyClient.h
+++ b/third_party/WebKit/Source/core/dom/AnimationWorkletProxyClient.h
@@ -11,11 +11,13 @@
 
 namespace blink {
 
-class CORE_EXPORT AnimationWorkletProxyClient : public CompositorProxyClient {
+class CORE_EXPORT AnimationWorkletProxyClient : public GarbageCollectedMixin {
   WTF_MAKE_NONCOPYABLE(AnimationWorkletProxyClient);
 
  public:
   AnimationWorkletProxyClient() {}
+  virtual ~AnimationWorkletProxyClient() {}
+  DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 }  // namespace blink