[K6] Replace bind() + GCed pointers with retainedRef()

third_party/WebKit/Source/platform/heap/Handle.h

Index: third_party/WebKit/Source/platform/heap/Handle.h
diff --git a/third_party/WebKit/Source/platform/heap/Handle.h b/third_party/WebKit/Source/platform/heap/Handle.h
index de696ee02b3af5499264691fb6c09c4a2e512a42..5dea90d6b38d63352e2ae85282b02b5703db6ffc 100644
--- a/third_party/WebKit/Source/platform/heap/Handle.h
+++ b/third_party/WebKit/Source/platform/heap/Handle.h
@@ -1196,15 +1196,6 @@ template<typename T, bool isGarbageCollected> struct PointerParamStorageTraits;
 // The condition of 'T must be fully defined' (except for void) is checked in
 // blink::IsGarbageCollectedType<T>::value.
 template<typename T>
-struct PointerParamStorageTraits<T*, true> {
-    STATIC_ONLY(PointerParamStorageTraits);
-    using StorageType = blink::CrossThreadPersistent<T>;
-
-    static StorageType wrap(T* value) { return value; }
-    static T* unwrap(const StorageType& value) { return value.get(); }
-};
-
-template<typename T>
 struct ParamStorageTraits<T*> : public PointerParamStorageTraits<T*, blink::IsGarbageCollectedType<T>::value> {
     STATIC_ONLY(ParamStorageTraits);
 };