Worker: Remove WorkerLoaderProxy for clean-up

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

Index: third_party/WebKit/Source/modules/compositorworker/CompositorWorkerMessagingProxy.cpp
diff --git a/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerMessagingProxy.cpp b/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerMessagingProxy.cpp
index 9d95f3d63ef83a6863ac82fefdc9325f608fa35d..fa4a22abb4b99aad2dff36710928cdefe91ab3c9 100644
--- a/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerMessagingProxy.cpp
+++ b/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerMessagingProxy.cpp
@@ -21,8 +21,8 @@ CompositorWorkerMessagingProxy::~CompositorWorkerMessagingProxy() {}
 
 std::unique_ptr<WorkerThread>
 CompositorWorkerMessagingProxy::CreateWorkerThread(double origin_time) {
-  return CompositorWorkerThread::Create(LoaderProxy(), WorkerObjectProxy(),
-                                        origin_time);
+  return CompositorWorkerThread::Create(GetThreadableLoadingContext(),
+                                        WorkerObjectProxy(), origin_time);
 }
 
 }  // namespace blink