[compositorworker] Register compositor proxies with proxy client

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

Index: third_party/WebKit/Source/core/dom/CompositorProxy.h
diff --git a/third_party/WebKit/Source/core/dom/CompositorProxy.h b/third_party/WebKit/Source/core/dom/CompositorProxy.h
index cbf97665072115c48045db6919c5cd836a409b38..3b5016323c869a33409d40292bce27f773b4597e 100644
--- a/third_party/WebKit/Source/core/dom/CompositorProxy.h
+++ b/third_party/WebKit/Source/core/dom/CompositorProxy.h
@@ -6,6 +6,8 @@
 #define CompositorProxy_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
+#include "core/CoreExport.h"
+#include "core/dom/CompositorProxyClient.h"
 #include "core/dom/DOMMatrix.h"
 #include "core/dom/Element.h"
 #include "platform/heap/Handle.h"
@@ -17,16 +19,18 @@ class DOMMatrix;
 class ExceptionState;
 class ExecutionContext;
 
-class CompositorProxy final : public GarbageCollectedFinalized<CompositorProxy>, public ScriptWrappable {
+class CORE_EXPORT CompositorProxy final : public GarbageCollectedFinalized<CompositorProxy>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
+    USING_PRE_FINALIZER(CompositorProxy, dispose);
 public:
     static CompositorProxy* create(ExecutionContext*, Element*, const Vector<String>& attributeArray, ExceptionState&);
-    static CompositorProxy* create(uint64_t element, uint32_t compositorMutableProperties);
+    static CompositorProxy* create(ExecutionContext*, uint64_t element, uint32_t compositorMutableProperties);
     virtual ~CompositorProxy();
 
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_transform);
+        visitor->trace(m_client);
     }
 
     uint64_t elementId() const { return m_elementId; }
@@ -48,7 +52,8 @@ public:
 
 protected:
     CompositorProxy(Element&, const Vector<String>& attributeArray);
-    CompositorProxy(uint64_t element, uint32_t compositorMutableProperties);
+    CompositorProxy(uint64_t element, uint32_t compositorMutableProperties, CompositorProxyClient*);
+    void dispose();
 
 private:
     bool raiseExceptionIfNotMutable(uint32_t compositorMutableProperty, ExceptionState&) const;
@@ -63,6 +68,7 @@ private:
     Member<DOMMatrix> m_transform;
 
     bool m_connected = true;
+    Member<CompositorProxyClient> m_client;
 };
 
 } // namespace blink