Worker: Remove WorkerLoaderProxy for clean-up

third_party/WebKit/Source/core/workers/WorkerThreadTestHelper.h

Index: third_party/WebKit/Source/core/workers/WorkerThreadTestHelper.h
diff --git a/third_party/WebKit/Source/core/workers/WorkerThreadTestHelper.h b/third_party/WebKit/Source/core/workers/WorkerThreadTestHelper.h
index d646ffd3a047bfa609d83bc2aaa182795475393a..b5fd6dd479d68dc6cbf6b78ab4a40507c29ae852 100644
--- a/third_party/WebKit/Source/core/workers/WorkerThreadTestHelper.h
+++ b/third_party/WebKit/Source/core/workers/WorkerThreadTestHelper.h
@@ -13,7 +13,6 @@
 #include "core/workers/WorkerBackingThread.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerGlobalScope.h"
-#include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerReportingProxy.h"
 #include "core/workers/WorkerThread.h"
 #include "core/workers/WorkerThreadLifecycleObserver.h"
@@ -51,10 +50,9 @@ class MockWorkerThreadLifecycleObserver final
 
 class WorkerThreadForTest : public WorkerThread {
  public:
-  WorkerThreadForTest(WorkerLoaderProxyProvider* worker_loader_proxy_provider,
+  WorkerThreadForTest(ThreadableLoadingContext* loading_context,
                       WorkerReportingProxy& mock_worker_reporting_proxy)
-      : WorkerThread(WorkerLoaderProxy::Create(worker_loader_proxy_provider),
-                     mock_worker_reporting_proxy),
+      : WorkerThread(loading_context, mock_worker_reporting_proxy),
         worker_backing_thread_(
             WorkerBackingThread::CreateForTest("Test thread")) {}