Worker: Remove WorkerLoaderProxy for clean-up

third_party/WebKit/Source/modules/compositorworker/AnimationWorkletMessagingProxy.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/compositorworker/AnimationWorkletMessagingProxy.h"
 
 #include "core/workers/ThreadedWorkletObjectProxy.h"
 #include "modules/compositorworker/AnimationWorkletThread.h"
 
 namespace blink {
 
 AnimationWorkletMessagingProxy::AnimationWorkletMessagingProxy(
     ExecutionContext* execution_context,
     AnimationWorkletProxyClient* proxy_client)
     : ThreadedWorkletMessagingProxy(execution_context),
       proxy_client_(proxy_client) {}
 
 AnimationWorkletMessagingProxy::~AnimationWorkletMessagingProxy() {}
 
 std::unique_ptr<WorkerThread>
 AnimationWorkletMessagingProxy::CreateWorkerThread(double origin_time) {
-  return AnimationWorkletThread::Create(LoaderProxy(), WorkletObjectProxy());
+  return AnimationWorkletThread::Create(GetThreadableLoadingContext(),
+                                        WorkletObjectProxy());
 }
 
 }  // namespace blink